Allows only authenticated users to use the cluster's admin commands

[hackerwins]

Description:

Allows only authenticated users to use the cluster's admin commands.

Tasks

• [x] Add CRUDs for UserInfo
• [x] Create a default user if it does not exist when running the server
• [x] Add Signup and Login APIs
• [x] Add token manager(JWT)
• [x] Add auth interceptors for the admin server
• [x] Add auth interceptors for admin clients both web and CLI
• [x] Add login command for CLI
• [x] Add Signup and Login pages to Yorkie House
• [ ] Add logout command for CLI
• [ ] Add roles between UserInfo and ProjectInfo
• [ ] Integrate with other authentication systems

Why:

• For security reasons, access to admin API is restricted to authorized users only.