Bump version to 0.0.3 (#8)

Co-authored-by: Claude Sonnet 4.6 <[email protected]>

Add -n/-r shortcut to open latest local clone (#6)

`luv <repo> -n` now opens a shell in the highest-numbered existing
local clone instead of creating a new workspace. Same for `-r` which
resumes the last Claude session. Bumps version to 0.0.2.

Co-authored-by: Claude Opus 4.6 <[email protected]>

Fix hatch build: map luv package dir for luv-cli package name (#5)

Co-authored-by: Claude Opus 4.6 <[email protected]>