update README
update README

Fmajor/freshman21,popu109/popu109.github.io,maRce10/marce10.github.com,Fmajor/freshman21,jiwairen/blog-freshman21,refu0523/refu0523.github.io,morefreeze/morefreeze.github.io,Fmajor/freshman21,danielcalencar/danielcalencar.github.io,terrellt/terrellt.github.io,kaziridwan/notes-and-blog,kaziridwan/notes-and-blog,mukeshyadav-cdac/code_myntra_blog,tpendragon/tpendragon.github.io,Fmajor/freshman21,morefreeze/morefreeze.github.io,terrellt/terrellt.github.io,sunix/freshman21,Fmajor/freshman21,junglehaw/junglehaw.github.io,Fmajor/freshman21,refu0523/refu0523.github.io,popu109/freshman21-china,maRce10/marce10.github.com,yulijia/freshman21,mukeshyadav-cdac/code_myntra_blog,junglehaw/junglehaw.github.io,yktko/yktko.github.io,popu109/freshman21-full,hzg139/hzg139.github.com,ubuntumac/ubuntumac.github.io,morefreeze/morefreeze.github.io,mukeshyadav-cdac/code_myntra_blog,tpendragon/tpendragon.github.io,maRce10/marce10.github.com,junglehaw/junglehaw.github.io