feat: store/db module with sqlite

store/error.go

@@ -0,0 +1,19 @@
+package store
+
+import (
+	"database/sql"
+	"errors"
+)
+
+func FormatError(err error) error {
+	if err == nil {
+		return nil
+	}
+
+	switch err {
+	case sql.ErrNoRows:
+		return errors.New("data not found")
+	default:
+		return err
+	}
+}