initial commit

.github/workflows/rust.yml

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+name: Rust Checks
+
+on:
+  pull_request:
+    branches: ["main"]
+    paths:
+      - '**/*.rs'
+      - 'Cargo.toml'
+      - 'Cargo.lock'
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  lints:
+    name: Lints
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v4
+
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Cache Cargo registry
+        uses: actions/cache@v4
+        with:
+          path: ~/.cargo/registry
+          key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: ${{ runner.os }}-cargo-registry-
+
+      - name: Cache Cargo index
+        uses: actions/cache@v4
+        with:
+          path: ~/.cargo/git
+          key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: ${{ runner.os }}-cargo-index-
+
+      - name: Run cargo clippy
+        run: cargo clippy -- -Dwarnings
+
+      - name: Run cargo fmt
+        run: cargo fmt --all --check