feat: introduce automatic formatting check

.github/workflows/format.yml

@@ -0,0 +1,21 @@
+name: 🧼 Formatting
+
+on: push
+
+jobs:
+  markdown-lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout your repository using git
+        uses: actions/checkout@v4
+
+      - name: Install Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Run Markdown Lint
+        run: npm run format:check