CI/formatting: Check tests and Rust examples

Signed-off-by: Matej Hrica <[email protected]>

Author: mtjhrc

.github/workflows/formatting.yml

@@ -16,3 +16,9 @@ jobs:
 
       - name: Rust code formatting
         run: cargo fmt -- --check
+      
+      - name: Rust code formatting (examples)
+        run: cd examples; cargo fmt -- --check
+      
+      - name: Rust code formatting (tests)
+        run: cd tests; cargo fmt -- --check