message: Add experimental support for sitelinks search box
diff: gaTrackingID: '{{ .gaTrackingID }}',
  };
  </script>
  + <script type="application/ld+json">
  + {
  + "@context": "https://schema.org",
  + "@type": "WebSite",
  + "url": "https://artifacthub.io",
  + "potentialAction": [
  + {
  + "@type": "SearchAction",
  + "target": "https://artifacthub.io/packages/search?page=1&ts_query_web={search_term_string}",
  + "query-input": "required name=search_term_string"
  + },
  + {
  + "@type": "SearchAction",
  + "target": "android-app://artifacthub.io/packages/search?page=1&ts_query_web={search_term_string}",
  + "query-input": "required name=search_term_string"
  + }
  + ]
  + }
  + </script>
  </head>
  <body>
  <noscript>You need to enable JavaScript to run this app.</noscript>
  