Actions: Added a CI work flow

.github/workflows/ci.yml

@@ -0,0 +1,55 @@
+on:
+  push:
+    branches: [ main, actions ]
+  pull_request:
+    branches: [ main ]
+
+name: CI
+env:
+  RUSTFLAGS: -D warnings
+  CARGO_TERM_COLOR: always
+
+jobs:
+  lint:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: rustfmt, clippy
+      - uses: Swatinem/rust-cache@v2
+      - name: Lint (clippy)
+        run: cargo clippy --all-features --all-targets
+
+  build-rustdoc:
+    name: Build documentation
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ ubuntu-latest ]
+      fail-fast: false
+    steps:
+      - uses: actions/checkout@v3
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: rustfmt, clippy
+      - uses: Swatinem/rust-cache@v2
+      - name: Build rustdoc
+        run: cargo doc --all-features --workspace
+
+  build-test:
+    name: Build and Test
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ ubuntu-latest ]
+      fail-fast: false
+    steps:
+      - uses: actions/checkout@v3
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: Swatinem/rust-cache@v2
+      - name: Build
+        run: cargo build
+      - name: Test
+        run: cargo test