Add `README.md` for `bevy_lint` #281

Job	Run time
Check for typos	8s
extract-rust-version / Extract Rust version	8s
Check with Clippy	34s
Check with rustfmt	21s
Build docs	33s
Run tests (ubuntu-latest)	53s
Run tests (windows-latest)	6m 44s
Run tests (macos-latest)	3m 17s
	12m 38s

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