ci: add automated release creation on tag push

- Triggers on v* tags
- Generates release notes from commit log since previous tag
- Includes Docker pull command and source archive links
- Creates formal Gitea Release via akkuman/gitea-release-action

.gitea/workflows/create-release.yml

@@ -0,0 +1,61 @@
+name: Create Release
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Extract version info
+        id: version
+        run: |
+          TAG=${GITHUB_REF#refs/tags/}
+          VERSION=${TAG#v}
+          echo "tag=${TAG}" >> $GITHUB_OUTPUT
+          echo "version=${VERSION}" >> $GITHUB_OUTPUT
+
+      - name: Generate release notes
+        id: notes
+        run: |
+          # Get previous tag
+          PREV_TAG=$(git tag --sort=-v:refname | head -2 | tail -1)
+          if [ "$PREV_TAG" = "${{ steps.version.outputs.tag }}" ] || [ -z "$PREV_TAG" ]; then
+            # First release - list all commits
+            LOG=$(git log --pretty=format:"- %s" HEAD)
+          else
+            LOG=$(git log --pretty=format:"- %s" ${PREV_TAG}..HEAD)
+          fi
+          # Write to file to preserve newlines
+          cat <<EOF > release_notes.md
+          ## sofarr ${{ steps.version.outputs.tag }}
+
+          ### Docker
+          \`\`\`bash
+          docker pull docker.i3omb.com/sofarr:${{ steps.version.outputs.version }}
+          \`\`\`
+
+          ### Changes
+          ${LOG}
+
+          ### Downloads
+          - **Source (tar.gz):** [sofarr-${{ steps.version.outputs.tag }}.tar.gz](https://git.i3omb.com/Gandalf/sofarr/archive/${{ steps.version.outputs.tag }}.tar.gz)
+          - **Source (zip):** [sofarr-${{ steps.version.outputs.tag }}.zip](https://git.i3omb.com/Gandalf/sofarr/archive/${{ steps.version.outputs.tag }}.zip)
+          - **Docker image:** \`docker.i3omb.com/sofarr:${{ steps.version.outputs.version }}\`
+          EOF
+
+      - name: Create Gitea Release
+        uses: akkuman/gitea-release-action@v1
+        with:
+          tag_name: ${{ steps.version.outputs.tag }}
+          name: "sofarr ${{ steps.version.outputs.tag }}"
+          body_path: release_notes.md
+        env:
+          GITHUB_TOKEN: ${{ secrets.RELEASE_TOKEN }}