comment broken back href

web/templates/error.tmpl

@@ -7,6 +7,10 @@
   <div class="col-sm-12">
     <p id="errBody">{{.Err}}</p>
     <p>
+      <!-- this violates the CSP, since it's an inline script.
+      We probably want to solve https://github.com/ssb-ngi-pointer/go-ssb-room/issues/23
+      but until then it might be nice to include a _previous_ data from the rendere with an url of where to go.
+      -->
       <a href="javascript:history.back()" class="btn btn-primary">Back</a>
     </p>
   </div>