add multi browser mode to arragate data from all browsers by tabs list, tabs count, group list, group count and windows list

remove (unnamed) into the group names just leave it a empty string, remove Focused on windows how should the browser know what windows are focused

extension/manifest.json

@@ -1,7 +1,7 @@
 {
   "manifest_version": 3,
   "name": "browser-cli",
-  "version": "0.5.2",
+  "version": "0.5.4",
   "description": "Control your browser from the terminal via browser-cli",
   "permissions": [
     "tabs",