Add revision checklist GH action (#5700)

.github/workflows/checklist.yml

@@ -0,0 +1,13 @@
+name: Review checklist
+
+on: [pull_request_target]
+
+jobs:
+  checklist_job:
+    runs-on: ubuntu-latest
+    name: Checklist job
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v1
+      - name: Checklist
+        uses: wyozi/contextual-qa-checklist-action@master

CHECKLIST.yml

@@ -0,0 +1,4 @@
+paths:
+  "bitnami/*/values.yaml":
+    - "Is the PR adding a new container? Please reviewer, add it to the models (internal process)"
+    - "Is the PR adding a new parameter? Please, ensure it’s documented in the README.md"