Add April Fool's comic

Author: codetheweb

src/special-comics.json

@@ -11,5 +11,6 @@
   "2067": "https://xkcd.com/2167",
   "2131": "https://xkcd.com/2131",
   "2198": "https://xkcd.com/2198",
-  "2288": "https://xkcd.com/2288"
+  "2288": "https://xkcd.com/2288",
+  "2445": "https://xkcd.com/2445/"
 }