+ Added seperate module for /auth
+ Added new components for registration
+ Added welcome-page
+ Added new global styling css vars
+ Added validators for password
+ Added functzions to auth-service:
  - checkUserName(username: string)
  - checkMail(mail: string)
  - registerUser(username: string, mail: string, password: string)

+ Added new quotes to auth-module

+ Added basic readme files

* Changed auth components structure
  -> Now one background module