fix: Return date as a string instead of local time

main.go

@@ -38,11 +38,12 @@ func newServices() (api.Services, func(), error) {
 		return api.Services{}, nil, fmt.Errorf("failed to init db: %w", err)
 	}
 
-	dbProvider := dbtimesprovider.New(db, diyanetAPIProvider)
 	if err := dbtimesprovider.Migrate(db.Db.(*sql.DB)); err != nil {
 		return api.Services{}, nil, fmt.Errorf("failed to migrate database: %w", err)
 	}
 
+	dbProvider := dbtimesprovider.New(db, diyanetAPIProvider)
+
 	return api.Services{
 			TimesProvider:         dbProvider,
 			LocationTimesProvider: diyanetAPIProvider,