feat: dpr property for portal to control its resolution

new Readme with sponsors

Merge pull request pmndrs#56 from Ledzz/docs/inline-font

Add docs about inlining font texture

copy button in html23

feat: use local state invalidate

fix: convert html support transform rotatate x/y

fix: remove assert

feat: cache svg, support transform percentage pmndrs#43, support transform in html23, insert intro video into html23

fix: html23 build error and default kits build error

fix: pmndrs#42 caret doesn't show until with focus

docs: explain ref.current.setStyle, depthTest, renderOrder, vanilla t…

…utorial, distanceToCamera

fix: uses of ComponentInternals