minor linting

added resty package for restclient

minor modifications and different request for the two apis

created user serices folder for user token

accesstokenrequest struct

login user with rest client as local dependency

user model and rest repository

tune get session implementation

update expire token dbrepository

create access token in db repository

create access token in db repository

get user by id from db

cassandra db client and dependency

validate length of access token id in the handler

handler interface for getting access token by id