added git test workflow

.github/workflows/test-git.yml

@@ -0,0 +1,30 @@
+name: Create Release, update README, send announcement
+
+
+on:
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions: 
+      id-token: write
+      contents: write
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+
+    - name: Set tag name
+      id: tag
+      run: |
+        echo "::set-output name=version::${GITHUB_REF#refs/tags/}"
+
+    - name: Generate release notes
+      id: release_notes
+      run: |
+        echo "${{ steps.tag.outputs.version }}"
+        git tag -l --format='%(contents)' "${{ steps.tag.outputs.version }}"
+        tools/announceybot.exe release-notes "${{ steps.tag.outputs.version }}" > relnotes.md
+        cat relnotes.md
+