github release workflow to tag on push to main

Author: davidhuser

.github/workflows/release.yml

@@ -0,0 +1,32 @@
+name: Create Release
+
+on:
+  push:
+    branches: [main]
+
+permissions:
+  contents: write
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+        with:
+          fetch-depth: 0
+
+      - name: Determine tag
+        id: tag
+        run: |
+          base="v$(date -u +%Y.%m.%d)"
+          existing=$(git tag -l "${base}*" | wc -l | tr -d ' ')
+          if [ "$existing" -eq 0 ]; then
+            echo "tag=${base}" >> "$GITHUB_OUTPUT"
+          else
+            echo "tag=${base}.${existing}" >> "$GITHUB_OUTPUT"
+          fi
+
+      - name: Create release
+        env:
+          GH_TOKEN: ${{ github.token }}
+        run: gh release create "${{ steps.tag.outputs.tag }}" --generate-notes