Posts a message to [Typetalk](https://typetalk.in) topics when you push to GitHub.

Install Notes
-------------

1. Need to [register new application](https://typetalk.in/my/develop/applications) that authorises GitHub to access to the Typetalk API. (Grant type must be "Client Credentials")
2. Enter your credentials.
   - client_id
   - client_secret
3. Enter topic id to post messages.
