feat: workflow with several checks

.github/workflows/checks.yml

@@ -0,0 +1,31 @@
+name: Checks
+
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: dtolnay/rust-toolchain@stable
+
+    - name: Install cargo-audit
+      run: cargo install cargo-audit
+
+    - name: Format code with rustfmt
+      run: cargo fmt --all -- --check
+
+    - name: Lint code with clippy
+      run: cargo clippy --all -- --deny warnings
+
+    - name: Check for known vulnerabilities with cargo-audit
+      run: cargo audit
+
+    - name: Build project
+      run: cargo build --all --release
+
+    - name: Run tests
+      run: cargo test --all