Add file browser menu item to dashboard

Added new navigation entry to the interest menu with:
- Route: /dashboard/file-browser
- Icon: mdi-folder
- Title: File Browser

This enables users to access the file browser feature from the dashboard navigation menu.

pages/dashboard.vue

@@ -102,6 +102,11 @@ const interestMenu = [
     icon: "mdi-account-check",
     title: "Interest Status",
   },
+  {
+    to: "/dashboard/file-browser",
+    icon: "mdi-folder",
+    title: "File Browser",
+  },
 
 
 ];