GH-4: Add two more features to be implemented

Author: ArtyomVancyan

README.md

@@ -13,8 +13,10 @@ the [social-core](https://github.com/python-social-auth/social-core) authenticat
 
 - Use multiple OAuth2 providers at the same time
     * There need to be provided a way to configure the OAuth2 for multiple providers
+- Provide `fastapi.security.*` implementations that use cookies
 - Token -> user data, user data -> token easy conversion
-- Customize OAuth2 routes
+- Customizable OAuth2 routes
+- Registration support
 
 ## Installation