Fix webview creation and update site history

Refactored createTab to properly set webview attributes (id, src, allowpopups, partition, preload) for correct loading and management. Updated site-history.json with recent search and navigation entries.

renderer/script.js

@@ -118,6 +118,13 @@ function createTab(inputUrl) {
   console.log('[DEBUG] createTab() resolvedUrl =', resolvedUrl);
 
   const webview = document.createElement('webview');
+  // give the webview an id and set its source and attributes so it actually loads and can be managed
+  webview.id = `tab-${id}`;
+  webview.src = resolvedUrl;
+  webview.setAttribute('allowpopups', '');
+  webview.setAttribute('partition', 'persist:default');
+  webview.setAttribute('preload', '../preload.js');
+
   webview.addEventListener('page-favicon-updated', e => {
     if (e.favicons.length > 0) updateTabMetadata(id, 'favicon', e.favicons[0]);
   });

site-history.json

@@ -1,7 +1,12 @@
 [
+  "https://duckduckgo.com/?q=dogs&ia=web",
+  "https://duckduckgo.com/?q=dogs",
+  "https://www.bing.com/search?q=dogs",
+  "https://www.google.com/search?q=cats",
   "https://www.youtube.com/",
   "https://github.com/",
   "file:///X:/Projects/Code/NebulaBrowser/renderer/index.html",
+  "file:///X:/Projects/Code/NebulaBrowser/renderer/index.html",
   "https://youtube.com/",
   "file:///X:/Projects/Code/NebulaBrowser/renderer/index.html",
   "https://youtube.com/",