Add clippy and formatting checks to CI

.github/workflows/rust.yml

@@ -21,6 +21,15 @@ jobs:
     - name: Run tests
       run: cargo test --release --features mock
 
+  static-checks:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Clippy
+        run: cargo clippy -- -D warnings
+      - name: Formatting
+        run: cargo fmt --all --check
+
   cross-compile:
     runs-on: ubuntu-latest
     steps: