ci: migrate workflows from GitHub Actions to Forgejo

.forgejo/workflows/lint.yml

@@ -0,0 +1,24 @@
+name: Lint
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-go@v5
+        with:
+          go-version: '1.24'
+
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v6
+        with:
+          version: latest
+
+      - name: Run Biome
+        run: npx @biomejs/biome@latest check .

.forgejo/workflows/release.yml

@@ -0,0 +1,56 @@
+name: Build and Push Docker Image
+
+on:
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      packages: write
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Get version from VERSION file
+        id: version
+        run: echo "VERSION=$(cat VERSION)" >> $GITHUB_OUTPUT
+
+      - name: Create tag
+        run: |
+          git config user.name forgejo-actions
+          git config user.email forgejo-actions@lonecloud.dev
+          git tag -a v${{ steps.version.outputs.VERSION }} -m "Release v${{ steps.version.outputs.VERSION }}"
+          git push origin v${{ steps.version.outputs.VERSION }}
+
+      - name: Create Forgejo Release
+        run: |
+          curl -s -X POST "https://git.lonecloud.dev/api/v1/repos/${{ github.repository }}/releases" \
+            -H "Authorization: token ${{ secrets.FORGEJO_TOKEN }}" \
+            -H "Content-Type: application/json" \
+            -d "{\"tag_name\":\"v${{ steps.version.outputs.VERSION }}\",\"name\":\"v${{ steps.version.outputs.VERSION }}\",\"generate_release_notes\":true}"
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to Forgejo Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: git.lonecloud.dev
+          username: ${{ secrets.FORGEJO_USERNAME }}
+          password: ${{ secrets.FORGEJO_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: true
+          platforms: linux/amd64,linux/arm64
+          no-cache: true
+          tags: |
+            git.lonecloud.dev/lone-cloud/snowflake-dashboard:latest
+            git.lonecloud.dev/lone-cloud/snowflake-dashboard:v${{ steps.version.outputs.VERSION }}