Changelog
- 7d31371 Fix print version (#52)
- bd6a455 add audit command for key hygiene checks
- a200bde document audit command in README and README_CN
- ff9f4c1 document import, export, doctor, fingerprint, info, passphrase in READMEs
- 3ce240b extend hook mechanism with events, global scope, and listing
- 31983dd update Homebrew install instructions for homebrew-core inclusion