Retrieves the next upcoming Meetup and posts it to Slack, or search for Meetups in your area by topic.
- A Heroku account
 - Your Meetup API key
 - An outgoing webhook token for your Slack team
 - The Group IDs for the Meetup groups you would like to use. To find a group ID navigate to the 2/groups endpoint console, enter the group url name, and retrieve the 
idvalue from the response. Ex: The NY Tech Meetup has a group url name ofny-techand group id176399. 
- Clone this repo locally
 - Create a new Heroku app and initialize the repo
 - Push the repo to Heroku
 - Navigate to the settings page of the Heroku app and add the following config variables:
OUTGOING_WEBHOOK_TOKENThe token for your outgoing webhook integration in SlackBOT_USERNAMEThe name the bot will use when posting to SlackBOT_ICONThe emoji icon for the botCOLORCan be any hex color code orgood,warning,dangerMEETUP_API_KEYThe Meetup API key for your Meetup accountMEETUP_GROUP_IDThe ID of the Meetup group or groups, seperated by comma
 - Navigate to the integrations page for your Slack team. Create an outgoing webhook, choose a trigger word (ex: ".meetup"), use the URL for your heroku app, and copy the webhook token to your 
OUTGOING_WEBHOOK_TOKENconfig variable. 

