Dev texture update (#3820) ...

* use texture transforms

* Plane accounted for texture transform before, now we can remove it

* move TextureTransform to the core
"uploadUvTransform" setting

* some user shaders have no uTransform

* fix canvas

* better docs

* bucking lint

* lint. again.

* trailing spaces

* move TextureTransform back

fixed lint brace style warnings

Improved documentation ...

Class member documentation improved via removal of unnecessary @memberofs - more members now show up in the docs.
Class getter/setter documentation improved using technique above, and also by removing documentation for setters. Documentation was only showing the setter docs, whereas the getter is where the important information is. JSDoc maintainers themselves recommend just doccing the getter jsdoc3/jsdoc#973
Documented a few classes to let devs know that they are automatically created by PIXI and added to renderer.plugins, like interactionManager and prepare

Use `tex` instead of `this.texture` (#3531) ...

In `update` method , there is already  `tex` , we shouldn't use `this.texture` any more.

docs fix for TextureTransform (#3498)

various fixes

fixes for @englercj

1. moved clamping into TextureTransform ...

2. texture now has an optional component

some restructuring