Task: Register page

[BosEriko]

Story Title

Task: Register page

Changes made

• create new error for error validation
• create 3 empty utils named errorLog, setUserToken and clearUserToken
• make errorLog
• move logic of setting user token to its own utility
• add logout function
• call errorLog when validation doesn't work
• add cookie duration
• use cookie duration for the token expiration
• add clearCookie function
• use formik for the login
• create register endpoint
• revert login definitions
• rename login to register on the definition
• update register page
• get id instead of token

How does the solution address the problem

This PR will add a register page.

Linked issues

Resolves #18