add format checks with ruff

.github/workflows/ruff.yml

@@ -1,4 +1,4 @@
-name: Ruff Check
+name: Ruff Checks (lint/format)
 
 on: [push, pull_request]
 
@@ -18,6 +18,9 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install ruff
-    - name: Analysing the code with ruff
+    - name: Lint Check
       run: |
         ruff check .
+    - name: Format Check
+      run: |
+        ruff format --check .