feat(ci): add gobuild and docker release workflow

.gitea/workflows/release-docker.yaml

@@ -0,0 +1,30 @@
+name: docker
+
+on:
+  push:
+    pull_request:
+    branches:
+      - main
+
+env:
+  VERSION: ${{ github.ref_name }}-${{ github.sha[0:7] }}
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ vars.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      -
+        name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          push: true
+          tags: tueem/svg-templater:${{ VERSION }}