added autotagger

.forgejo/workflows/autotagger.yaml

@@ -0,0 +1,43 @@
+name: Autotagger
+on:
+  push:
+    branches:
+      - 'master'
+
+jobs:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Extract commit message
+        id: extract_commit_message
+        run: echo "::set-output name=message::$(git log --format=%B -n 1 $GITHUB_SHA)"
+
+      - name: Check commit message
+        id: check_commit_message
+        run: |
+          COMMIT_MESSAGE=$(echo "${{ steps.extract_commit_message.outputs.message }}")
+          if [[ $COMMIT_MESSAGE =~ ^Version\ bumped\ to\ ([0-9]+\.[0-9]+\.[0-9]+) ]]; then
+            echo "Found version bump in commit message."
+            echo "::set-output name=version::${BASH_REMATCH[1]}"
+          else
+            echo "No version bump found in commit message."
+            LATEST_TAG=$(git describe --tags --abbrev=0)
+            echo "::set-output name=latest_tag::$LATEST_TAG"
+          fi
+
+      - name: Create or update tag
+        if: steps.check_commit_message.outputs.version
+        run: |
+          VERSION=${{ steps.check_commit_message.outputs.version }}
+          git tag -a $VERSION -m "Version bumped to $VERSION"
+          git push origin $VERSION
+
+      - name: Force update latest tag
+        if: steps.check_commit_message.outputs.latest_tag
+        run: |
+          COMMIT_MESSAGE=$(echo "${{ steps.extract_commit_message.outputs.message }}")
+          LATEST_TAG=${{ steps.check_commit_message.outputs.latest_tag }}
+          git tag -fa $LATEST_TAG -m $COMMIT_MESSAGE
+          git push origin $LATEST_TAG --force