Add GitHub Actions workflow

.github/workflows/audit.yml

@@ -0,0 +1,16 @@
+name: Security audit
+on:
+  schedule:
+    - cron: '0 0 * * *'
+  push:
+    paths:
+      - '**/Cargo.toml'
+      - '**/Cargo.lock'
+jobs:
+  security_audit:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: taiki-e/install-action@cargo-deny
+      - name: Scan for vulnerabilities
+        run: cargo deny check advisories

.github/workflows/general.yml

@@ -0,0 +1,53 @@
+name: Rust
+
+on: [push, pull_request]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: Swatinem/rust-cache@v2
+      - name: Run tests
+        run: cargo test
+
+  fmt:
+    name: Rustfmt
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: rustfmt
+      - name: Enforce formatting
+        run: cargo fmt --check
+
+  clippy:
+    name: Clippy
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: clippy
+      - uses: Swatinem/rust-cache@v2
+      - name: Linting
+        run: cargo clippy -- -D warnings
+
+  coverage:
+    name: Code coverage
+    runs-on: ubuntu-latest
+    container:
+      image: xd009642/tarpaulin
+      options: --security-opt seccomp=unconfined
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+      - name: Generate code coverage
+        run: |
+          cargo tarpaulin --verbose --workspace