Updated README layout & information hierarchy
Updated README layout & information hierarchy
ForrestTrepte/HoloToolkit-Unity,willcong/HoloToolkit-Unity,dbastienMS/HoloToolkit-Unity,paseb/HoloToolkit-Unity,paseb/MixedRealityToolkit-Unity,NeerajW/HoloToolkit-Unity,out-of-pixel/HoloToolkit-Unity,HoloFan/HoloToolkit-Unity,HattMarris1/HoloToolkit-Unity