Add userbudget

postgres/budgetservice.go

@@ -11,3 +11,7 @@ func (s *Repository) Budget(id string) (*budgeteer.Budget, error) {
 	}
 	return b, nil
 }
+
+func (s *Repository) BudgetsForUser(user budgeteer.User) ([]budgeteer.Budget, error) {
+
+}