Add Service Scope to Laconia example of use

handle.js

const laconia = require("@laconia/core");
const api = require("@laconia/adapter-api").apigateway({ inputType: "body" });
const AWS = require('aws-sdk');

const instances = ({ requestContext: { connectionId, domainName, stage }  }) => ({
  send: async payload => {
    const client = new AWS.ApiGatewayManagementApi({
      apiVersion: '2018-11-29',
      endpoint: `https://${domainName}/${stage}`
    });
    return client.postToConnection({
      ConnectionI: connectionId,
      Data: JSON.stringify(payload, null, 2)
    })
      .promise();
  }
});

const app = async ({ answer }, { send }) => {
  if (answer) await send({ answer });
  return "success";
};

exports.handler = laconia(api(app)).register(instances, { scoped: true });