chore: split sql to driver (#2279)

* Add new database interface for SQL operations

* Move SQL code of Activity into Database

* Rename `Database` into `Driver`

* Move SQL code of SystemSetting into Driver

* Fix store.New in text code

* Change database into driver in the variables

* Change sqlite3.New into sqlite3.NewDriver

store/activity.go

@@ -18,23 +18,5 @@ type Activity struct {
 }
 
 func (s *Store) CreateActivity(ctx context.Context, create *Activity) (*Activity, error) {
-	stmt := `
-		INSERT INTO activity (
-			creator_id, 
-			type, 
-			level, 
-			payload
-		)
-		VALUES (?, ?, ?, ?)
-		RETURNING id, created_ts
-	`
-	if err := s.db.QueryRowContext(ctx, stmt, create.CreatorID, create.Type, create.Level, create.Payload).Scan(
-		&create.ID,
-		&create.CreatedTs,
-	); err != nil {
-		return nil, err
-	}
-
-	activity := create
-	return activity, nil
+	return s.driver.CreateActivity(ctx, create)
 }