Added a section in the documentation for the THREEJS app development with the changes that are mandatory to be made to threejs in order to use the external image OES extension.
Added a section in the documentation for the THREEJS app development with the changes that are mandatory to be made to threejs in order to use the external image OES extension.

google-ar/WebARonTango,google-ar/WebARonTango,google-ar/WebARonTango,google-ar/WebARonTango,google-ar/WebARonTango,google-ar/WebARonTango,google-ar/WebARonTango