Add the most basic of CI checks (#19) #4

	env:
	RUST_STABLE_VER: "1.88"

	name: CI

	on:
	pull_request:
	push:
	branches:
	- main

	jobs:
	checks:
	name: cargo clippy and test
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [macos-latest, ubuntu-latest]
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Install Rust ${{ env.RUST_STABLE_VER }}
	uses: dtolnay/rust-toolchain@b3b07ba8b418998c39fb20f53e8b695cdcc8de1b
	with:
	toolchain: ${{ env.RUST_STABLE_VER }}
	components: clippy, rustfmt

	- name: Restore cache
	uses: Swatinem/rust-cache@9d47c6ad4b02e050fd481d890b2ea34778fd09d6
	with:
	save-if: ${{ github.event_name != 'merge_group' }}

	- name: Run cargo fmt
	run: cargo fmt --all --check

	- name: Run cargo test
	run: cargo test

	- name: Run cargo clippy
	run: cargo clippy

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