Create main.yml

.github/workflows/main.yml

@@ -0,0 +1,15 @@
+name: "Check changelog!"
+on:
+  pull_request:
+      types: [opened, synchronize, reopened, ready_for_review, labeled, unlabeled]
+
+jobs:
+  # Enforces the update of a changelog file on every pull request 
+  changelog:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: dangoslen/changelog-enforcer@v2
+      with:
+        changeLogPath: 'changelog.md'
+        versionPattern: '.*'