Improved docs for pc.gfx.RenderTarget.
Improved docs for pc.gfx.RenderTarget.

maxwellalive/engine,sereepap2029/playcanvas,SuperStarPL/engine,MicroWorldwide/PlayCanvas,sanyaade-teachings/engine,playcanvas/engine,nizihabi/engine,SuperStarPL/engine,sereepap2029/playcanvas,H1Gdev/engine,horryq/engine-1,horryq/engine-1,nizihabi/engine,guycalledfrank/engine,H1Gdev/engine,nizihabi/engine,RainsSoft/engine,maxwellalive/engine,aidinabedi/playcanvas-engine,sereepap2029/playcanvas,shinate/engine,3DGEOM/engine,SuperStarPL/engine,RainsSoft/engine,3DGEOM/engine,MicroWorldwide/PlayCanvas,horryq/engine-1,shinate/engine,sanyaade-teachings/engine,sanyaade-teachings/engine,playcanvas/engine,maxwellalive/engine,guycalledfrank/engine,3DGEOM/engine,aidinabedi/playcanvas-engine,shinate/engine,RainsSoft/engine