v0.1.1

vibe-cading 0.1.1 — first tagged release

The inaugural tagged release of the vibe-cading parametric CadQuery library.
See CHANGELOG.md [0.1.0] for the full initial public surface (mechanical models,
tolerance system, cq_utils, lego constants, tools/* CLIs, engine_api.json, and
the optional MCP interface).

Changes since the 0.1.0 development baseline ([0.1.1]):
- LegoTechnicLLiftarm: 90°-bent Lego Technic studless liftarm (L-shaped beam),
  parametric in both arm lengths (default 3×5), chamfered pin holes on the 8 mm
  stud grid, rounded ends.
- PrintInPlaceHinge.screw_holes: countersunk M3 flat-head mount holes — 2 per
  leaf (default True).