feat: update liquibase script

storage/dao/postgresql/database_postgresql_games.go

@@ -1 +1,23 @@
 package postgresql
+
+import "hamster-tycoon/storage/model"
+
+func (db *DatabasePostgreSQL) GetAllGames() ([]*model.Game, error) {
+	return nil, nil
+}
+
+func (db *DatabasePostgreSQL) GetGameById(string) (*model.Game, error) {
+	return nil, nil
+}
+
+func (db *DatabasePostgreSQL) CreateGame(*model.Game) error {
+	return nil
+}
+
+func (db *DatabasePostgreSQL) DeleteGame(string) error {
+	return nil
+}
+
+func (db *DatabasePostgreSQL) UpdateGame(*model.Game) error {
+	return nil
+}