Add configurable ingress, rename all files to .yaml for conformity.

.github/workflows/helm-chart-ci-cd.yaml

@@ -5,12 +5,12 @@ on:
     branches: [ main ]
     paths:
       - 'charts/**'
-      - '.github/workflows/helm-chart-ci-cd.yml'
+      - '.github/workflows/helm-chart-ci-cd.yaml'
   pull_request:
     branches: [ main ]
     paths:
       - 'charts/**'
-      - '.github/workflows/helm-chart-ci-cd.yml'
+      - '.github/workflows/helm-chart-ci-cd.yaml'
   release:
     types: [created]