Common interfaces (and implementations) for usage in Domain Driven Design (DDD) with golang web API's.

• Add basic EncryptionService
• Add basic ErrorsService
• Add basic HttpRenderHelperService
• Add basic HttpRequestHelperService
• Add Logger
• Add Storage with a default implementation of DatabaseSqlx
• Add SettingsWithWatcher
• Add AuthenticationService (both Basic Http auth and JWT implementations)
• Add KeyValueStorage with Redis implementation