* MMDPhysics improvement

* Add property defined check

* Add setOverrideMimeType() to XHRLoader

* Rename setOverrideMimeType with setMimeType of FileLoader

* updated webglrenderer docs to reference GLState constants

* Improved doc / Contants / GLState

* webgl_materials_normalmap: clean up

* webgl_materials_normalmap: more clean up

* webgl_materials_normalmap: removed copy shader pass

- added link to example webgl_materials_blending_custom

 - added minimal usage instuctions

 - added missing source and destination factors

Docs used undeclared variable `data` instead of `extrudeSettings`.

* ShapeBufferGeometry: Initial commit

* ShapeBufferGeometry: Clean up

* Update CCDIKSolver

* Update root world matrix in CCDIKSolver

* initial spherical docs

* Add the new page

* add Vector3.setFromSpherical docs

* adjust language and formatting

Fill in all the TODOs in the material, and add more info about a few
factors.

- THREE.MinEquation and THREE.MaxEquation to the side menu
 - Added all 11 blending factors to src factors
 - Added all but THREE.SrcAlphaSaturateFactor (causes errors) to
   destination factors

* remove testLightInRange, not equivalent to calcLightAttenuation.

* convert vec3( 0.0, 0.0, 0.0 ) -> vec3( 0.0 ), smaller, equivalent.

* fix merge issue in SpotLight glsl code.

This would create `build/three.js.map` and `build/three.modules.js.map` alongside the bundles. If you wanted inline sourcemaps instead (not recommended, but possible!) you would use `sourceMap: 'inline'`.

Ref https://github.com/mrdoob/three.js/issues/9941

Moved from:
https://github.com/mrdoob/three.js/wiki/build.py,-or-how-to-generate-a-compressed-Three.js-file

to:
https://github.com/mrdoob/three.js/wiki/Build-instructions