Adding Insert(), GetByEmail(), Update() UserModel's methods.

internal/data/models.go

@@ -15,11 +15,13 @@ var (
 // Models : Wraps the MovieModel. We'll add other models to this, like a UserModel and PermissionModel, as our build progresses.
 type Models struct {
 	Movies MovieModel
+	Users  UserModel
 }
 
 // NewModels : For ease of use, this method returns a Models struct containing the initialized MovieModel.
 func NewModels(db *sql.DB) Models {
 	return Models{
 		Movies: MovieModel{DB: db},
+		Users:  UserModel{DB: db},
 	}
 }