ci: add format workflow

.forgejo/workflows/format.yaml

@@ -0,0 +1,25 @@
+name: Format and Lint
+
+on:
+  push:
+    branches: 
+      - "main"
+  pull_request:
+    types: [opened, synchronize, reopened]
+
+jobs:
+  format-check:
+    runs-on: docker
+
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v4
+
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: "1.20"
+
+      - name: Run Format Check
+        run: |
+          make format