Add yamlfmt

.github/workflows/yamlfmt.yml

@@ -0,0 +1,28 @@
+name: test-yaml-format
+on: [push, pull_request]
+jobs:
+  yaml_style_check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-go@v4
+        with:
+          go-version: '>=1.17.0'
+      - run: go version
+      - name: check yaml changes
+        run: |
+          go install github.com/google/yamlfmt/cmd/yamlfmt@latest
+          yamlfmt ./**/**.yaml
+          yamlfmt ./**/**.yml
+      - name: Verify Changed files
+        uses: tj-actions/verify-changed-files@v16
+        id: verify-changed-files
+        with:
+          files: |
+            **/*.yaml
+            **/*.yml
+      - name: Run step only when any of the above files change.
+        if: steps.verify-changed-files.outputs.files_changed == 'true'
+        run: |-
+          echo "Changed files: ${{ steps.verify-changed-files.outputs.changed_files }}"
+          false