Add a CI workflow

Author: gregoire-mullvad

.github/workflows/ci.yml

@@ -0,0 +1,62 @@
+name: CI
+on: [push, pull_request]
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    name: Test
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        include:
+          - build: stable
+            os: ubuntu-latest
+            rust: stable
+          - build: beta
+            os: ubuntu-latest
+            rust: beta
+          - build: nightly
+            os: ubuntu-latest
+            rust: nightly
+          - build: macos
+            os: macos-latest
+            rust: stable
+          - build: win32
+            os: windows-latest
+            rust: stable-i686-pc-windows-msvc
+          - build: win64
+            os: windows-latest
+            rust: stable-x86_64-pc-windows-msvc
+          - build: mingw
+            os: windows-latest
+            rust: stable-x86_64-pc-windows-gnu
+    steps:
+    - uses: actions/checkout@v4
+    - uses: dtolnay/rust-toolchain@master
+      with:
+        toolchain: ${{ matrix.rust }}
+    - run: cargo test --verbose
+
+  check:
+    name: Check Format and Clippy
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: dtolnay/rust-toolchain@stable
+      with:
+        components: clippy
+    - run: cargo fmt -- --check
+    - run: cargo clippy --verbose
+
+  doc:
+    name: Check Documentation
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: dtolnay/rust-toolchain@stable
+    - name: Run rustdoc
+      env:
+        RUSTDOCFLAGS: "-D warnings"
+      run: cargo doc --verbose