readme: add more links to readme
readme: add more links to readme

add build instructions & code style & review process & FAQ

zhaobob/libyami,seanvk/libyami,zhaobob/libyami,yizhouwei/libyami,halleyzhao/libyami,dspmeng/libyami,uartie/libyami,clearlylin/libyami,chivakker/libyami,01org/libyami,seanvk/libyami,halleyzhao/libyami,01org/libyami,andyLiuChina/libyami,halleyzhao/libyami,YuJiankang/libyami,zhaobob/libyami,yizhouwei/libyami,dspmeng/libyami,YuJiankang/libyami,uartie/libyami,clearlylin/libyami,seanvk/libyami,andyLiuChina/libyami,dspmeng/libyami,stripes416/libyami,yizhouwei/libyami,stripes416/libyami,lizhong1008/libyami,YuJiankang/libyami,clearlylin/libyami,uartie/libyami,stripes416/libyami,halleyzhao/libyami,01org/libyami,andyLiuChina/libyami,lizhong1008/libyami,lizhong1008/libyami,chivakker/libyami,chivakker/libyami,andyLiuChina/libyami