Add yaml lint check

Signed-off-by: Filip Mudry <[email protected]>

Author: fmudry

.github/workflows/checks.yml

@@ -38,3 +38,10 @@ jobs:
       - name: Confirm script formatting
         run: |
           make ensure-formatted
+
+  yamllint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Lint YAML files
+        run: yamllint generated/ templates/data.yaml

.yamllint

@@ -0,0 +1,29 @@
+rules:
+  braces: enable
+  brackets: enable
+  colons: enable
+  commas: enable
+  comments:
+    level: warning
+  comments-indentation:
+    level: warning
+  document-end: disable
+  document-start: disable
+  empty-lines: enable
+  empty-values:
+    forbid-in-block-mappings: false
+  hyphens: enable
+  key-duplicates: enable
+  key-ordering: disable
+  line-length: disable
+  new-line-at-end-of-file: enable
+  new-lines: enable
+  octal-values: enable
+  quoted-strings: disable
+  trailing-spaces: enable
+  truthy:
+    level: warning
+    check-keys: false
+  indentation:
+    spaces: consistent
+    indent-sequences: true