#414 add the activeadmin gem
#414 generate instance for active admin
move the script/css file to the vendor
#414 modify schema/seeds
#414 add resources
#414 add more resources
#414 editing the resouces and customize the dashboard
#414 resolve conflicts
#414 edit resource
#414 resolve conflicts
#414 resolve conflicts
#414 re-add the resources
#414 modify resources and edit the seeds
#414 adjust identation
#414 fix identation
#414 fix doc
#414 fix the schema back
#414 fixing files
#414 fix identation
#414 fix identation