add some set_hosts docs for platform
add some set_hosts docs for platform

tboox/xmake,waruqi/xmake,waruqi/xmake,tboox/xmake,waruqi/xmake,waruqi/xmake,waruqi/xmake,waruqi/xmake,tboox/xmake,tboox/xmake,tboox/xmake,waruqi/xmake,tboox/xmake,tboox/xmake