ci: Add GitHub Actions workflow and fix lints #1

	name: CI

	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]

	env:
	CARGO_TERM_COLOR: always
	RUST_BACKTRACE: 1

	jobs:
	test:
	name: Test (${{ matrix.os }})
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest, macos-latest, windows-latest]

	steps:
	- uses: actions/checkout@v4

	- name: Install Rust
	uses: dtolnay/rust-action@stable

	- name: Cache cargo
	uses: actions/cache@v4
	with:
	path: \|
	~/.cargo/bin/
	~/.cargo/registry/index/
	~/.cargo/registry/cache/
	~/.cargo/git/db/
	target/
	key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}

	- name: Build
	run: cargo build --all-targets

	- name: Run tests
	run: cargo test --all

	lint:
	name: Lint
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Install Rust
	uses: dtolnay/rust-action@stable
	with:
	components: rustfmt, clippy

	- name: Check formatting
	run: cargo fmt --all -- --check

	- name: Clippy
	run: cargo clippy --all-targets -- -D warnings

	docs:
	name: Documentation
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Install Rust
	uses: dtolnay/rust-action@stable

	- name: Build docs
	run: cargo doc --no-deps
	env:
	RUSTDOCFLAGS: -D warnings

Provide feedback