Restore correct ID.

Author: dblock

public/index.html

@@ -15,7 +15,7 @@ <h3>Whoa, an API explorer for the Slack Web API.</h3>
   </p>
   <p id='messages' />
   <p id='register'>
-    <a href="https://slack.com/oauth/authorize?scope=bot&client_id=4657200833.43554619095"><img alt="Add to Slack" height="40" width="139" src="https://platform.slack-edge.com/img/add_to_slack.png" srcset="https://platform.slack-edge.com/img/add_to_slack.png 1x, https://platform.slack-edge.com/img/[email protected] 2x"></a>
+    <a href="https://slack.com/oauth/authorize?scope=bot&client_id=4657200833.17789106022"><img alt="Add to Slack" height="40" width="139" src="https://platform.slack-edge.com/img/add_to_slack.png" srcset="https://platform.slack-edge.com/img/add_to_slack.png 1x, https://platform.slack-edge.com/img/[email protected] 2x"></a>
   </p>
   <p id='active_teams_count'>&nbsp;</p>
   <p>