rybak 0.5.0

This version adds

• multi-root templates, so you can use multiple directories with Mako and multiple directories or packages with Jinja;
• conflict handler, which can decide whether to allow overwriting a file when a name templates renders the same output path more than once.

In the backstage:

• migrated from poetry to uv
• from pre-commit to lefthook
• automated publishing tag -> GH draft release and GH release -> publish to PyPI.