added endpoint for answear checking with answeartest class
downgraded tone.js in order to make it compatible with next.js added emotion for answear animations
game intefrace consists of: "exit" button which terminates current session, "start" button which starts a session, "again" button which plays the question again and simple statistics box of the current session
type sequences format changed for future move to the backend and overall better readabilty and clarity
merged generator classes, now sequence generator has their methods
added enums and Sequence class for future super class
Implemented Game Mechanism: