Docs: More JSDoc.

[Mugen87]

Related issue: -

Description

Moves examples/jsm/effects, examples/jsm/exporters and examples/jsm/helpers to JSDoc.

[github-actions]

📦 Bundle size

Full ESM build, minified and gzipped.

	Before	After	Diff
WebGL	336.02 78.26	336.02 78.26	+0 B +0 B
WebGPU	523.26 145.3	523.26 145.3	+0 B +0 B
WebGPU Nodes	522.73 145.2	522.73 145.2	+0 B +0 B

🌳 Bundle size after tree-shaking

Minimal build including a renderer, camera, empty scene, and dependencies.

	Before	After	Diff
WebGL	465.06 112.14	465.06 112.14	+0 B +0 B
WebGPU	593.67 160.91	593.67 160.91	+0 B +0 B
WebGPU Nodes	548.79 150.34	548.79 150.34	+0 B +0 B