publish bundle to charmhub

.github/workflows/release-bundle-to-charmhub.yaml

@@ -0,0 +1,41 @@
+on:
+  push:
+    branches:
+    - main
+    - track/**
+  paths:
+    - releases/**
+# only for testing purposes
+  pull_request:
+    paths:
+      - releases/**
+
+jobs:
+  get-releases-affected:
+    runs-on: ubuntu-22.04
+    name: Get releases affected
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name:
+        id: changed-files-yaml
+        uses: tj-actions/changed-files@v37
+
+      - name:
+        run: |
+          for file in ${{ steps.changed-files.outputs.all_changed_files }}; do
+            echo "$file was changed"
+          done
+
+
+  # get-releases-affected:
+  #   [..]
+
+  # run-tests-for-releases-affected:
+  #  [..]
+
+  # publish-charm:
+  #   needs: run-tests-for-releases-affected
+  #   [..]