feat: enable manual trigger to publish helm chart (#128)

Author: vignesh-fuel

.github/workflows/helm-publish.yaml

@@ -6,7 +6,7 @@ on:
       - master
     paths:
       - 'helm/sway-playground/Chart.yaml'
-
+  workflow_dispatch:
 permissions:
   contents: read
 
@@ -16,7 +16,7 @@ jobs:
     runs-on: buildjet-4vcpu-ubuntu-2204
     if: |
       (github.event_name == 'release' && github.event.action == 'published') ||
-      github.ref == 'refs/heads/master' || github.event_name == 'pull_request'
+      github.ref == 'refs/heads/master' || github.event_name == 'pull_request' || github.event_name == 'workflow_dispatch'
     permissions:
       contents: read
       packages: write
@@ -33,4 +33,4 @@ jobs:
           username: ${{ github.repository_owner }}
           access-token: ${{ secrets.GITHUB_TOKEN }}
           force: true
-          chart-folder: ./helm/sway-playground
+          chart-folder: ./helm/sway-playground