Create searchbox.js

a search script aimed at google, the target system i.e. site parameter is hard coded. This is taken from https://pagedart.com/blog/how-to-add-a-search-bar-in-html/

searchbox.js

@@ -0,0 +1,15 @@
+/* a search script aimed at google, the target system i.e. site parameter is hard coded */
+      const f = document.getElementById('form');
+      const q = document.getElementById('query');
+      const google = 'https://www.google.com/search?q=site%3A+';
+      const site = 'dfl.ddns.com';
+
+      function submitted(event) {
+        event.preventDefault();
+        const url = google + site + '+' + q.value;
+        const win = window.open(url, '_blank');
+        win.focus();
+      }
+
+      f.addEventListener('submit', submitted);
+