CreateAccount func for creates a new account.

DeleteAccount func for deletes account by given ID.

GetAccount func gets account by given ID or 404 error.

GetAccounts func gets all exists accounts.

RenewTokens method for renew access and refresh tokens.

UpdateAccount func for updates account by given ID.

UserSignIn method to auth user and return access and refresh tokens.

UserSignOut method to de-authorize user and delete refresh token from Redis.

UserSignUp method to create a new user.