add manifest to all pages of grocery app

app/rest/templates/query-to-xml.tpl

@@ -8,6 +8,8 @@
     <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/purecss@2.1.0/build/pure-min.css" integrity="sha384-yHIFVG6ClnONEA5yB5DJXfW2/KC173DIQrYoZMEtBvGzmf0PKiGyNEqe9N6BNDBH" crossorigin="anonymous"/>
     <link rel="stylesheet" href="https://shandan.one/css/grids-responsive-min.css"/>
     <link rel="stylesheet" href="https://shandan.one/css/responsive-visibility-collapse.css"/>
+    <link rel="manifest" href="/grocery/static/manifest.json"/>
+    <link rel="icon" type="image/png" href="/grocery/static/favicon.png"/>
     <style>
 body {
   background-color: #080808;

app/rest/templates/trend.tpl

@@ -10,6 +10,7 @@
     <link rel="stylesheet" href="https://shandan.one/css/responsive-visibility-collapse.css"/>
     <link rel="stylesheet" href="/grocery/static/cloud-gears.css"/>
     <link rel="manifest" href="/grocery/static/manifest.json"/>
+    <link rel="icon" type="image/png" href="/grocery/static/favicon.png"/>
     <style>
 html {
   --scrollbarBG: #333333;