Merge pull request #3 from nvtuankiet/kiet_dev_out

fix bug not allow origin when get api
Merge pull request #4 from nvtuankiet/kiet_dev_out

adding full language in translate
Merge pull request #5 from nvtuankiet/kiet_dev_out

Kiet dev out
Merge pull request #6 from nvtuankiet/kiet_dev_home

app authenticate backup review
Merge pull request #7 from nvtuankiet/kiet_dev_home

fixed sign in sign up log out with find dbmongo
Merge pull request #8 from nvtuankiet/kiet_dev_home

Kiet dev home
fix notebook with user log in log out
matching game
memmory game demo not best