feat: add linting and .pre-commit hook #4

	name: Cargo Check

	on:
	push:
	branches:
	- master
	- ci
	pull_request:

	concurrency:
	group: ${{ github.workflow }}-${{ github.head_ref \|\| github.run_id }}
	cancel-in-progress: true

	jobs:
	rustfmt:
	runs-on: ubuntu-latest
	name: fmt
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Stable Rust
	uses: actions-rs/toolchain@v1
	with:
	toolchain: stable

	- name: Install `rustfmt`
	run: rustup component add rustfmt --toolchain 1.84.1

	- name: cargo fmt --check
	run: cargo fmt --check

	clippy:
	runs-on: ubuntu-latest
	name: clippy
	permissions:
	contents: read
	checks: write
	steps:
	- uses: actions/checkout@v4
	with:
	submodules: true
	- name: Install stable
	uses: dtolnay/rust-toolchain@stable
	with:
	components: clippy
	- name: cargo clippy
	uses: actions-rs/clippy-check@v1
	with:
	token: ${{ secrets.GITHUB_TOKEN }}

	typos:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Check typos
	uses: crate-ci/typos@master
	with:
	files: ./crates//src ./examples//src ./datasources//src/ ./metrics//src

	cargo_sort:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Stable Rust
	uses: actions-rs/toolchain@v1
	with:
	toolchain: stable

	- name: Install cargo-sort
	run: cargo install --locked cargo-sort

	- name: Check `Cargo.toml` sort
	run: cargo sort -c

	machete:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Stable Rust
	uses: actions-rs/toolchain@v1
	with:
	toolchain: stable

	- name: Install `cargo-machete`
	run: cargo install --locked [email protected]

	- name: Check unused Cargo dependencies
	run: cargo machete

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