Add install section to docs
Add install section to docs

pj/flower,raphaelmerx/flower,Lingling7/flower,ChinaQuants/flower,lucius-feng/flower,allengaller/flower,jzhou77/flower,asmodehn/flower,asmodehn/flower,jzhou77/flower,pj/flower,ucb-bar/bar-crawl-web,marrybird/flower,asmodehn/flower,getupcloud/flower,raphaelmerx/flower,raphaelmerx/flower,alexmojaki/flower,lucius-feng/flower,alexmojaki/flower,pj/flower,ucb-bar/bar-crawl-web,ucb-bar/bar-crawl-web,lucius-feng/flower,getupcloud/flower,getupcloud/flower,barseghyanartur/flower,tellapart/flower,pygeek/flower,barseghyanartur/flower,barseghyanartur/flower,alexmojaki/flower,allengaller/flower,ChinaQuants/flower,ChinaQuants/flower,jzhou77/flower,pygeek/flower,Lingling7/flower,allengaller/flower,marrybird/flower,pygeek/flower,tellapart/flower,marrybird/flower,Lingling7/flower,tellapart/flower