Merge pull request #1687 from kyu08/add-typos-cli

Add crate-ci/typos

README.md

@@ -606,6 +606,7 @@ See also [A comparison of operating systems written in Rust](https://github.com/
 * [Rust Search Extension](https://github.com/huhu/rust-search-extension) — A handy browser extension to search crates and docs in address bar (omnibox). [![Build Status](https://github.com/huhu/rust-search-extension/workflows/build/badge.svg?branch=master)](https://github.com/huhu/rust-search-extension/actions)
 * [Rustup](https://github.com/rust-lang/rustup) — the Rust toolchain installer [![build badge](https://github.com/rust-lang/rustup/workflows/Linux%20(master)/badge.svg?branch=master)](https://github.com/rust-lang/rustup/actions)
 * [scriptisto](https://github.com/igor-petruk/scriptisto) A language-agnostic "shebang interpreter" that enables you to write one file scripts in compiled languages. [![Build Status](https://cloud.drone.io/api/badges/igor-petruk/scriptisto/status.svg)](https://cloud.drone.io/igor-petruk/scriptisto)
+* [typos](https://github.com/crate-ci/typos) [[typos-cli](https://crates.io/crates/typos-cli)] — Source code spell checker
 
 ### Build system