ci: add fmt pipeline (#10)

.github/workflows/check-fmt.yml

@@ -0,0 +1,33 @@
+name: Check make fmt
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  check-make-fmt:
+    name: Check make fmt
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: install go1.21
+        uses: actions/setup-go@v5
+        with:
+          go-version: "1.21"
+
+      - name: Run make fmt
+        run: make fmt
+
+      - name: Check if make fmt generated changes that should be committed
+        run: |
+          if [ -n "$(git status --porcelain)" ]; then
+            echo "Error: make fmt generated changes that should be committed. Please run 'make fmt' and commit the changes."
+            git diff
+            git status
+            exit 1
+          fi

.github/workflows/go.yml → .github/workflows/tests.yml

@@ -10,7 +10,6 @@ on:
     branches: [ "main" ]
 
 jobs:
-
   build:
     runs-on: ubuntu-latest
     steps: