add ui
Merge branch 'master' of github.com:mindpin/js-warrior
Merge branch 'master' of github.com:mindpin/js-warrior
Merge branch 'master' of github.com:mindpin/js-warrior
add ui ground.png
Merge branch 'master' of github.com:mindpin/js-warrior
Merge branch 'master' of github.com:mindpin/js-warrior
add ui init render