added release gitea action

.gitea/workflows/release.yml

@@ -0,0 +1,43 @@
+name: Build and Push Release Docker Image
+
+on:
+  push:
+    tags:
+      - 'v*.*.*'
+  workflow_dispatch:
+
+jobs:
+  build-and-push-release:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Login to Gitea Container Registry
+        run: |
+          echo "${{ secrets.REGISTRY_TOKEN }}" | docker login git.avatic.de -u "${{ gitea.actor }}" --password-stdin
+
+      - name: Extract version from tag
+        id: version
+        run: |
+          if [ "${{ gitea.ref_type }}" == "tag" ]; then
+            echo "version=${{ gitea.ref_name }}" >> $GITHUB_OUTPUT
+          else
+            echo "version=manual-$(date +%Y%m%d-%H%M%S)" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Build Docker image
+        run: |
+          docker build \
+            --build-arg BUILDKIT_INLINE_CACHE=1 \
+            -t git.avatic.de/${{ gitea.repository_owner }}/lcc-release:${{ steps.version.outputs.version }} \
+            -t git.avatic.de/${{ gitea.repository_owner }}/lcc-release:latest \
+            -t git.avatic.de/${{ gitea.repository_owner }}/lcc:latest \
+            .
+
+      - name: Push Docker images
+        run: |
+          docker push git.avatic.de/${{ gitea.repository_owner }}/lcc-release:${{ steps.version.outputs.version }}
+          docker push git.avatic.de/${{ gitea.repository_owner }}/lcc-release:latest
+          docker push git.avatic.de/${{ gitea.repository_owner }}/lcc:latest