fix `aframe_version` variables to `version` in Getting Started Docs
fix `aframe_version` variables to `version` in Getting Started Docs
chenzlabs/aframe,dmarcos/aframe,RSpace/aframe,fernandojsg/aframe,jaxmolina/ar,msimpson/aframe,RSpace/aframe,jaxmolina/ar,mkungla/aframe,msimpson/aframe,MatthewShotton/aframe,googlecreativelab/aframe,ngokevin/aframe,weddingdj/aframe,googlecreativelab/aframe,mkungla/aframe,jzitelli/aframe,MatthewShotton/aframe,darkwing/aframe,dmarcos/aframe,aframevr/aframe,darkwing/aframe,fernandojsg/aframe,wizgrav/aframe,chenzlabs/aframe,jzitelli/aframe,wizgrav/aframe,aframevr/aframe,ngokevin/aframe,weddingdj/aframe