add description of GIVE-HUG in GIVE-Docker tutorial
add description of GIVE-HUG in GIVE-Docker tutorial

Zhong-Lab-UCSD/Genomic-Interactive-Visualization-Engine,Zhong-Lab-UCSD/Genomic-Interactive-Visualization-Engine,Zhong-Lab-UCSD/Genomic-Interactive-Visualization-Engine,Zhong-Lab-UCSD/Genomic-Interactive-Visualization-Engine,Zhong-Lab-UCSD/Genomic-Interactive-Visualization-Engine,Zhong-Lab-UCSD/Genomic-Interactive-Visualization-Engine