Refined readme.md
Refined readme.md

Added an image, refined intro, cleaned up links
HyungJon/HubTurbo,Sumei1009/HubTurbo,gaieepo/HubTurbo,Honoo/HubTurbo,HyungJon/HubTurbo,Honoo/HubTurbo,saav/HubTurbo,ianngiaw/HubTurbo,gaieepo/HubTurbo,Sumei1009/HubTurbo,ianngiaw/HubTurbo,saav/HubTurbo