NLPJS with MSBF

Simple example that connects with Microsoft Bof Framework. Ready to be deployed in Heroku :)

Env vars:

 MSBF_BOT_APP_ID=<token>
 MSBF_BOT_APP_PASSWORD=<token>
 MSBF_BOT_APP_SECRET=<token>
 DEBUG_ENABLED=<boolean>
 PORT=<number>