github event notifier

[RyFisher]

Bot should send a message to the #frontend-devs Slack channel when there is a push to the dev-branch to let everyone know they need to update their own branches

[RyFisher]

@jyothyswaroop and @BhargavaAttem

[RyFisher]

1) Push event

• Repo name
• Link to repo

Try to activate it only when there's a push to master Example: "New push made to 'ennovarbot' master branch: https://github.com/Ennovar/ennovarbot"

2) Pull Request

• Repo name
• From
• To
• User who made the pull request

Example: "New pull request created by jyothyswaroop from bhargava-jyo to dev-branch on ennovarbot"

3) New Issue Created

• Repo Name
• Issue title
• Link to Issue

Example: "New issue 'Github Event Notifier' created on ennovarbot: https://github.com/Ennovar/ennovarbot/issues/7"

4) Issue Assigned to Someone

• Repo Name
• Issue Title
• Link to Issue
• Assignee

Example "Issue 'Github Event Notifier' on ennovarbot assigned to BhargavaAttem: https://github.com/Ennovar/ennovarbot/issues/7"

[RyFisher]

If you think of any more events where it would be helpful to receive a slack notification, go ahead and add them

[RyFisher]

Testing issue comment