web: include the parsed query into the json event list output

locklost/web/__main__.py

@@ -71,7 +71,10 @@ def index(tag='all'):
             if bool(query.get('limit', 0)) and i > query['limit']:
                 break
             events.append(event.to_dict())
-        return {'events': events}
+        return {
+            'events': events,
+            'query': query,
+        }
 
     elif 'event' in bottle.request.query:
         gps = bottle.request.query.get('event')