assets/add_to_slack.html
<!DOCTYPE html>
<html lang="en">
<head>
<title>Tuna Timer - Add to Slack</title>
</head>
<body>
<header>
<h1>Tuna Timer - Add to Slack</h1>
</header>
<a href="https://slack.com/oauth/authorize?scope=team:read,users:read,incoming-webhook,commands,bot&client_id=2386021721.86283664690">
<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/add_to_slack@2x.png 2x" />
</a>
</body>