Add `README.md` for `bevy_lint` (#170) #285

Job	Run time
Check for typos	3s
extract-rust-version / Extract Rust version	2s
Build docs	45s
Check with rustfmt	37s
Check with Clippy	35s
Run tests (ubuntu-latest)	1m 3s
Run tests (windows-latest)	7m 45s
Run tests (macos-latest)	4m 39s
	15m 29s

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