added lint workflow action

Author: connorhu

.github/workflows/link.yml

@@ -0,0 +1,25 @@
+name: "Coding Standards"
+
+on:
+  pull_request:
+    branches:
+      - "master"
+    paths:
+      - .github/workflows/lint.yml
+      - composer.*
+      - lib/**
+      - phpcs.xml.dist
+      - tests/**
+  push:
+    branches:
+      - "master"
+    paths:
+      - .github/workflows/lint.yml
+      - composer.*
+      - lib/**
+      - phpcs.xml.dist
+      - tests/**
+
+jobs:
+  coding-standards:
+    uses: "doctrine/.github/.github/workflows/[email protected]"