async runMongodbCommand(connectionString, command) {
        let client = await MongoClient.connect(connectionString);
        let result = await client.db().command(command);
        await client.close();
        return result;
    }
Connect to and run MongoDB command on a MongoDB database
@param {string} connectionString The database connection string
@param {object} command MongoDB command to run on the database
@returns {Promise<(string[] | object[] | object)>} Response from server