Added DatabaseConnectionPool.close()

lib/DatabaseConnectionPool.js

@@ -62,6 +62,13 @@ class DatabaseConnectionPool {
 			await this.#connectionPool.execute(sql, params);
 		return data;
 	}
+
+	/**
+	 * Close the connection to the database
+	 */
+	async close() {
+		await this.#connectionPool.end();
+	}
 }
 
 module.exports = DatabaseConnectionPool;