Add clippy workflow

.github/workflows/clippy.yml

@@ -0,0 +1,20 @@
+name: Clippy
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+env:
+  CARGO_TERM_COLOR: always
+  # Make sure CI fails on all warnings (Clippy lints)
+  RUSTFLAGS: "-Dwarnings"
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Lint code
+      run: cargo clippy --all-targets --all-features