feat: add github build workflows

.github/workflows/release.yml

@@ -0,0 +1,55 @@
+name: Release
+on:
+  workflow_dispatch:
+
+jobs:
+  get-tag:
+    runs-on: ubuntu-latest
+    outputs:
+      tag: ${{ steps.tag.outputs.name }}
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Get tag
+        id: tag
+        run: echo "name=$(cat internal/assets/version)" >> $GITHUB_OUTPUT
+
+  build-docker:
+    needs: get-tag
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: true
+          platforms: linux/arm64, linux/amd64
+          tags: ghcr.io/${{ github.repository_owner }}/tinyauth:${{ needs.get-tag.outputs.tag }}, ghcr.io/${{ github.repository_owner }}/tinyauth:latest
+
+  release:
+    needs: [get-tag, build-docker]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Create release
+        uses: softprops/action-gh-release@v2
+        with:
+          prerelease: false
+          make_latest: false
+          tag_name: ${{ needs.get-tag.outputs.tag }}