got a exporter for forecasting

internal/database/budget-repo.go

@@ -253,3 +253,5 @@ func (r *BudgetRepo) List(
 	}
 	return out, rows.Err()
 }
+
+func (r *BudgetRepo) DB() *sql.DB { return r.db }

internal/database/forecast-repo.go

@@ -0,0 +1,13 @@
+package database
+
+import "database/sql"
+
+type ForecastRepo struct {
+	db *sql.DB
+}
+
+func NewForecastRepo(db *sql.DB) *ForecastRepo {
+	return &ForecastRepo{
+		db: db,
+	}
+}