fix application path (#1781)
fix application path (#1781)

* fix application path

In the "env.sample" , "APP_CODE_PATH_HOST"  was written. I fixed Documentation.
Harmonic/laradock,ralphowino/laradock,schiggi/laradock,Harmonic/laradock,AliveCorpse/laradock,Harmonic/laradock,jinnawat/laradock,zuohuadong/laradock,hnquang112/laradock,arkadiusjonczek/laradock,bestlong/laradock,zuohuadong/laradock,arkadiusjonczek/laradock,bestlong/laradock,bestlong/laradock,hnquang112/laradock,springjk/laradock,arkadiusjonczek/laradock,schiggi/laradock,cjnchk/laradock,luciano-jr/laradock,arkadiusjonczek/laradock,Harmonic/laradock,zuohuadong/laradock,jinnawat/laradock,bestlong/laradock,schiggi/laradock,ralphowino/laradock,schiggi/laradock,bestlong/laradock,springjk/laradock,jinnawat/laradock,zuohuadong/laradock,cjnchk/laradock,hnquang112/laradock,springjk/laradock,springjk/laradock,cjnchk/laradock,AliveCorpse/laradock,LaraDock/laradock,ralphowino/laradock,jinnawat/laradock,luciano-jr/laradock,ralphowino/laradock,hnquang112/laradock,cjnchk/laradock