[x] Merge URLrequest build and Guardian URL request classes: This extra layer of abstraction isn't valuable
[x] Account vs. AccountManager: keep models simple and dumb
[x] Move Codable Models to Models directory: why are we maintaining the difference here?
[x] Create Persistence directory to house AccountStore and PersistenceLayer
[x] Rename Singletons group to Managers
[x] Move Connection health monitor to managers
Convert model classes to structs
[x]Remove all shared instances except for the dependency manager
[x]Guardian Error vs Guardian API error
[x] Break up NetworkingEnum class
Also addressed:
[x] Merge URLrequest build and Guardian URL request classes: This extra layer of abstraction isn't valuable [x] Account vs. AccountManager: keep models simple and dumb [x] Move Codable Models to Models directory: why are we maintaining the difference here? [x] Create Persistence directory to house AccountStore and PersistenceLayer [x] Rename Singletons group to Managers [x] Move Connection health monitor to managers Convert model classes to structs [x]Remove all shared instances except for the dependency manager [x]Guardian Error vs Guardian API error [x] Break up NetworkingEnum class