diff --git a/my-first-app/package-lock.json b/my-first-app/package-lock.json
index 71ce448..cbac15f 100644
--- a/my-first-app/package-lock.json
+++ b/my-first-app/package-lock.json
@@ -391,9 +391,7 @@
             },
             "chownr": {
               "version": "1.1.4",
-              "bundled": true,
-              "dev": true,
-              "optional": true
+              "bundled": true
             },
             "code-point-at": {
               "version": "1.1.0",
@@ -449,8 +447,6 @@
             "fs-minipass": {
               "version": "1.2.7",
               "bundled": true,
-              "dev": true,
-              "optional": true,
               "requires": {
                 "minipass": "^2.6.0"
               }
@@ -570,7 +566,6 @@
             "minipass": {
               "version": "2.9.0",
               "bundled": true,
-              "dev": true,
               "optional": true,
               "requires": {
                 "safe-buffer": "^5.1.2",
@@ -580,8 +575,6 @@
             "minizlib": {
               "version": "1.3.3",
               "bundled": true,
-              "dev": true,
-              "optional": true,
               "requires": {
                 "minipass": "^2.9.0"
               }
@@ -772,7 +765,6 @@
             "safe-buffer": {
               "version": "5.1.2",
               "bundled": true,
-              "dev": true,
               "optional": true
             },
             "safer-buffer": {
@@ -840,21 +832,6 @@
               "dev": true,
               "optional": true
             },
-            "tar": {
-              "version": "4.4.13",
-              "bundled": true,
-              "dev": true,
-              "optional": true,
-              "requires": {
-                "chownr": "^1.1.1",
-                "fs-minipass": "^1.2.5",
-                "minipass": "^2.8.6",
-                "minizlib": "^1.2.1",
-                "mkdirp": "^0.5.0",
-                "safe-buffer": "^5.1.2",
-                "yallist": "^3.0.3"
-              }
-            },
             "util-deprecate": {
               "version": "1.0.2",
               "bundled": true,
@@ -879,7 +856,6 @@
             "yallist": {
               "version": "3.1.1",
               "bundled": true,
-              "dev": true,
               "optional": true
             }
           }
@@ -6738,9 +6714,7 @@
             },
             "chownr": {
               "version": "1.1.4",
-              "bundled": true,
-              "dev": true,
-              "optional": true
+              "bundled": true
             },
             "code-point-at": {
               "version": "1.1.0",
@@ -6796,8 +6770,6 @@
             "fs-minipass": {
               "version": "1.2.7",
               "bundled": true,
-              "dev": true,
-              "optional": true,
               "requires": {
                 "minipass": "^2.6.0"
               }
@@ -6917,7 +6889,6 @@
             "minipass": {
               "version": "2.9.0",
               "bundled": true,
-              "dev": true,
               "optional": true,
               "requires": {
                 "safe-buffer": "^5.1.2",
@@ -6927,8 +6898,6 @@
             "minizlib": {
               "version": "1.3.3",
               "bundled": true,
-              "dev": true,
-              "optional": true,
               "requires": {
                 "minipass": "^2.9.0"
               }
@@ -7119,7 +7088,6 @@
             "safe-buffer": {
               "version": "5.1.2",
               "bundled": true,
-              "dev": true,
               "optional": true
             },
             "safer-buffer": {
@@ -7187,21 +7155,6 @@
               "dev": true,
               "optional": true
             },
-            "tar": {
-              "version": "4.4.13",
-              "bundled": true,
-              "dev": true,
-              "optional": true,
-              "requires": {
-                "chownr": "^1.1.1",
-                "fs-minipass": "^1.2.5",
-                "minipass": "^2.8.6",
-                "minizlib": "^1.2.1",
-                "mkdirp": "^0.5.0",
-                "safe-buffer": "^5.1.2",
-                "yallist": "^3.0.3"
-              }
-            },
             "util-deprecate": {
               "version": "1.0.2",
               "bundled": true,
@@ -7226,7 +7179,6 @@
             "yallist": {
               "version": "3.1.1",
               "bundled": true,
-              "dev": true,
               "optional": true
             }
           }
@@ -10837,9 +10789,9 @@
       "dev": true
     },
     "tar": {
-      "version": "4.4.13",
-      "resolved": "https://registry.npmjs.org/tar/-/tar-4.4.13.tgz",
-      "integrity": "sha512-w2VwSrBoHa5BsSyH+KxEqeQBAllHhccyMFVHtGtdMpF4W7IRWfZjFiQceJPChOeTsSDVUpER2T8FA93pr0L+QA==",
+      "version": "4.4.15",
+      "resolved": "https://registry.npmjs.org/tar/-/tar-4.4.15.tgz",
+      "integrity": "sha512-ItbufpujXkry7bHH9NpQyTXPbJ72iTlXgkBAYsAjDXk3Ds8t/3NfO5P4xZGy7u+sYuQUbimgzswX4uQIEeNVOA==",
       "dev": true,
       "requires": {
         "chownr": "^1.1.1",
@@ -11623,9 +11575,7 @@
             },
             "chownr": {
               "version": "1.1.4",
-              "bundled": true,
-              "dev": true,
-              "optional": true
+              "bundled": true
             },
             "code-point-at": {
               "version": "1.1.0",
@@ -11681,8 +11631,6 @@
             "fs-minipass": {
               "version": "1.2.7",
               "bundled": true,
-              "dev": true,
-              "optional": true,
               "requires": {
                 "minipass": "^2.6.0"
               }
@@ -11802,7 +11750,6 @@
             "minipass": {
               "version": "2.9.0",
               "bundled": true,
-              "dev": true,
               "optional": true,
               "requires": {
                 "safe-buffer": "^5.1.2",
@@ -11812,8 +11759,6 @@
             "minizlib": {
               "version": "1.3.3",
               "bundled": true,
-              "dev": true,
-              "optional": true,
               "requires": {
                 "minipass": "^2.9.0"
               }
@@ -12004,7 +11949,6 @@
             "safe-buffer": {
               "version": "5.1.2",
               "bundled": true,
-              "dev": true,
               "optional": true
             },
             "safer-buffer": {
@@ -12072,21 +12016,6 @@
               "dev": true,
               "optional": true
             },
-            "tar": {
-              "version": "4.4.13",
-              "bundled": true,
-              "dev": true,
-              "optional": true,
-              "requires": {
-                "chownr": "^1.1.1",
-                "fs-minipass": "^1.2.5",
-                "minipass": "^2.8.6",
-                "minizlib": "^1.2.1",
-                "mkdirp": "^0.5.0",
-                "safe-buffer": "^5.1.2",
-                "yallist": "^3.0.3"
-              }
-            },
             "util-deprecate": {
               "version": "1.0.2",
               "bundled": true,
@@ -12111,7 +12040,6 @@
             "yallist": {
               "version": "3.1.1",
               "bundled": true,
-              "dev": true,
               "optional": true
             }
           }
@@ -12583,9 +12511,7 @@
             },
             "chownr": {
               "version": "1.1.4",
-              "bundled": true,
-              "dev": true,
-              "optional": true
+              "bundled": true
             },
             "code-point-at": {
               "version": "1.1.0",
@@ -12641,8 +12567,6 @@
             "fs-minipass": {
               "version": "1.2.7",
               "bundled": true,
-              "dev": true,
-              "optional": true,
               "requires": {
                 "minipass": "^2.6.0"
               }
@@ -12762,7 +12686,6 @@
             "minipass": {
               "version": "2.9.0",
               "bundled": true,
-              "dev": true,
               "optional": true,
               "requires": {
                 "safe-buffer": "^5.1.2",
@@ -12772,8 +12695,6 @@
             "minizlib": {
               "version": "1.3.3",
               "bundled": true,
-              "dev": true,
-              "optional": true,
               "requires": {
                 "minipass": "^2.9.0"
               }
@@ -12964,7 +12885,6 @@
             "safe-buffer": {
               "version": "5.1.2",
               "bundled": true,
-              "dev": true,
               "optional": true
             },
             "safer-buffer": {
@@ -13032,21 +12952,6 @@
               "dev": true,
               "optional": true
             },
-            "tar": {
-              "version": "4.4.13",
-              "bundled": true,
-              "dev": true,
-              "optional": true,
-              "requires": {
-                "chownr": "^1.1.1",
-                "fs-minipass": "^1.2.5",
-                "minipass": "^2.8.6",
-                "minizlib": "^1.2.1",
-                "mkdirp": "^0.5.0",
-                "safe-buffer": "^5.1.2",
-                "yallist": "^3.0.3"
-              }
-            },
             "util-deprecate": {
               "version": "1.0.2",
               "bundled": true,
@@ -13071,7 +12976,6 @@
             "yallist": {
               "version": "3.1.1",
               "bundled": true,
-              "dev": true,
               "optional": true
             }
           }