chore: add ci

.github/FUNDING.yml

@@ -0,0 +1,2 @@
+github: fundon
+# open_collective: fundon

.github/workflows/ci.yml

@@ -0,0 +1,57 @@
+name: CI
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+      - '[0-9]+.[0-9]+.x'
+
+env:
+  CARGO_INCREMENTAL: 0
+  CARGO_NET_RETRY: 10
+  CARGO_TERM_COLOR: always
+  RUST_BACKTRACE: 1
+  RUSTUP_MAX_RETRIES: 10
+
+jobs:
+  test:
+    name: Test (${{ matrix.os }})
+    strategy:
+      fail-fast: false
+      matrix:
+        os:
+          - ubuntu-latest
+          - macos-latest
+          - windows-latest
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@nightly
+      - run: cargo test --workspace --verbose
+
+  clippy:
+    name: Clippy
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@clippy
+      - run: cargo clippy --tests
+
+  fmt:
+    name: Fmt
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@nightly
+      - run: cargo fmt --all -- --check
+
+  docs:
+    name: Doc
+    runs-on: ubuntu-latest
+    env:
+      RUSTDOCFLAGS: -Dwarnings --cfg docsrs
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@nightly
+      - run: cargo doc --workspace --all-features --no-deps