* initial auth implementation
* add create user parser
* add tests
* update dependencies list
* add login annd logout to index also improve auth
* realworld fixes
* add method set_option to Configuration and also use it everywhere
* split CreateUser handler to additional read method
* check user duplicate on auth mapping read
* generate salt by using passlib instead of random.choice
* case-insensetive usernames
* update dependencies
* update configuration reference
* improve tests
* fix codefactor errors
* hide fields if authorization is enabled, but no auth supplied
* add settings object for auth provider
* readme update
