Added help text to profile picture screen

web/templates/head.html

@@ -50,6 +50,8 @@
             config = {};
         }
         config.SiteName = '{{ .SiteName }}';
+		config.ProfileWidth = '{{ .Props.ProfileWidth }}'
+		config.ProfileHeight = '{{ .Props.ProfileHeight }}'
     </script>
 
     <script src="/static/js/bundle.js"></script>