Initial release of fbadmin — Firebase Auth administration CLI.
- User management: get, create, disable, enable, remove (single or bulk CSV), list, list-inactive, count
- Custom claims: get, merge, remove, clear, find users by claim
- Auth action links: generate password-reset, email-verification, and sign-in links
- Emulator support: clear-users, config — works with Firebase Auth emulator
- Configuration profiles: named profiles with project, credentials, and emulator settings
- Output formats: table (default), JSON (NDJSON), CSV
- Rich CLI: colored output, progress spinners,
--verboselogging,--dry-runmode