Interactive Map Builder v0.3.1

What's Changed

• Clean up v0.3 contracts and demo sources by @xlbaoxl in #2
• Use pyproject as the single dependency contract by @xlbaoxl in #3
• Rewrite README around product value and quick start by @xlbaoxl in #4
• Release v0.3.1: intent discovery, doctor, evals, and Skill distribution by @xlbaoxl in #5

Full Changelog: v0.3.0...v0.3.1