add info

packages/slackbot-proxy/src/controllers/slack.ts

@@ -318,6 +318,9 @@ export class SlackCtrl {
       + '<a href="/">'
       + 'Go to install page'
       + '</a>'
+      + '<a href="https://docs.growi.org/ja/admin-guide/management-cookbook/slack-integration/official-bot-settings.html">'
+      + 'How to set up ?'
+      + '</a>'
       + '</body></html>');
     }
 

packages/slackbot-proxy/src/views/top.ejs

@@ -22,6 +22,7 @@
           <a href="/term">
             Term of Service
           </a>
+          <a href="https://docs.growi.org/en/admin-guide/management-cookbook/slack-integration/official-bot-settings.html">How to set up ?</a>
         <% } %>
       </div>
     </div>