[Geometry Nodes] Curve Enhanced v0.1

Blenderのカーブモディファイアの改良

Improvement upon Blender's Curve modifier through Geometry Nodes

Features:

- Per-modifier stretch control

- Evaluate in local space (no need to align origins)

- Manual X/Y radius control

- Tilt from nearby surface

- Shrink curve to nearby surface (buggy)

- Position a solid object along the curve without bending (e.g. a belt buckle)

- Usable in your own geometry nodes

...and more!