Init base oauth API & user API

1. OAuth2 API

https://deepinid.linuxdeepin.com/oauth2/authorize
https://deepinid.linuxdeepin.com/oauth2/token
https://deepinid.linuxdeepin.com/oauth2/info
https://deepinid.linuxdeepin.com/oauth2/revoke

2. User API

https://deepinid.linuxdeepin.com/user/info