add some checks

.github/workflows/checker.yml

@@ -0,0 +1,18 @@
+on:
+  pull_request:
+
+jobs:
+  check_commit_message:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - run: |
+          COMMIT_MESSAGE=$(git log --format=%B -n 1 $GITHUB_SHA)
+          if [[ $COMMIT_MESSAGE =~ fail ]]; then
+            echo failing as required
+            exit 1
+          fi
+  always_passing_job:
+    runs-on: ubuntu-latest
+    steps:
+      - run: echo "evergreen"