fix: Update admin dashboard and fix template errors

- Fixed missing closing tags in members mockup page
- Updated admin dashboard to use new admin layout
- Added comprehensive system monitoring interface
- Fixed template structure issues in both files
- Removed v-container wrapper from admin dashboard
- Added proper list view template structure

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

pages/members/mockup.vue

@@ -236,6 +236,9 @@
           @invite="inviteToPortal"
         />
       </template>
+      
+      <!-- List View -->
+      <template v-else>
         <div
           v-for="(member, index) in filteredMembers"
           :key="member.id"