* add RedeemRewards method
* remove redeem from reward.db
* add redeemable cap check in redeem
* rename offerCap to redeemableCap
* remove redeem test
* update error message
* fix build
* Trigger Jenkins
* use correct credit setting for redeem
* fix comment
* change create qury to get redeemable_cap from offers table
* change referredBy to a pointer in user credit struct
* move offer out of marketing package and remove marketing package
* fix imports
* fix rename errors
* remove offer service
* change package name from offers to rewards
* fix linting
* remove unused code and use appropriate comment
* add dbx queries
* add migration file
* start service
* Add TotalReferredCountByUserId and availableCreditsByUserID
* implement UserCredits interface and UserCredit struct type
* add UserCredits into consoledb
* add setupData helper function
* add test for update
* update lock file
* fix lint error
* add invalidUserCredits tests
* rename method
* adds comments
* add checks for erros in setupData
* change update method to only execute one query per request
* rename vairable
* should return a signal from Update method if the charge is not fully complete
* changes for readability
* prevent sql injection
* rename
* improve readability
