v0.0.3

Add Oauth2 Providers

• OAuth2 Provider Google
• Oauth2 Provider GitHub
• OAuth2 Provider Discord

Add Flask-Login

• Add Flask-Login extension to manage user login
• Add remember-me cookie for persistent login
• Update _navbar.html for storing login state
• Add redirect to certain pages on logging

Add tables and models to memorize login

• Add User model to manage user infomation
• Add Account model to manage account login information such as provider, providerAccountId