First release 0.1

[eglauko]

The first version should include:

• Authorize endpoint (code) (no consent)
• Login views
• Token endpoint (grant type v2.1: code, refresh, client)
  • code_challenge
  • refresh_token
  • client_credentials
• EndSession
• Logout views
• Token revocation
• Check Session
• UserInfo
• Discovery endpoints

It should have a complete authentication flow for MVC and SPA applications.