ci: use a single worflow for test, lint, format and docs (#76)

.github/workflows/CI.yaml

@@ -0,0 +1,57 @@
+name: CI
+
+on:
+  workflow_dispatch:
+  pull_request:
+    types: [opened, synchronize]
+    paths-ignore:
+      - '**/*.md'
+  push:
+    branches:
+      - main
+    paths-ignore:
+      - '**/*.md'
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.sha }}
+  cancel-in-progress: ${{ github.ref_name != 'main' }}
+
+jobs:
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: moonrepo/setup-rust@v1
+      - run: cargo test
+
+  format:
+    name: Format
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: moonrepo/setup-rust@v1
+        with:
+          components: rustfmt
+      - run: cargo fmt -- --check
+
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: moonrepo/setup-rust@v1
+        with:
+          components: clippy
+      - run: cargo check
+      - run: cargo clippy -- -D warnings
+
+  docs:
+    name: Docs
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: moonrepo/setup-rust@v1
+        with:
+          components: rust-docs
+      - run: RUSTDOCFLAGS='-D warnings' cargo doc