docs: overhaul README with badges, performance table, and architecture #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:
	matrix:
	os: [ubuntu-latest, macos-latest]
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@stable
	- uses: Swatinem/rust-cache@v2
	- run: cargo test --all-features

	clippy:
	name: Clippy (${{ matrix.os }})
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, macos-latest]
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@stable
	with:
	components: clippy
	- uses: Swatinem/rust-cache@v2
	- run: cargo clippy --all-targets --all-features -- -D warnings

	fmt:
	name: Format
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@stable
	with:
	components: rustfmt
	- run: cargo fmt --check

	doc:
	name: Docs
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@stable
	- uses: Swatinem/rust-cache@v2
	- run: cargo doc --no-deps --all-features
	env:
	RUSTDOCFLAGS: "-D warnings"

	msrv:
	name: MSRV (Rust 1.75)
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: "1.75"
	- uses: Swatinem/rust-cache@v2
	- run: cargo test --all-features

	bench-smoke:
	name: Bench smoke-check
	runs-on: ubuntu-latest
	if: github.event_name == 'push' && github.ref == 'refs/heads/main'
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@stable
	- uses: Swatinem/rust-cache@v2
	- run: cargo bench -- --test

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