feat: group admin sidebar items into single Administration page with action cards

views/admin/index.php

@@ -0,0 +1,35 @@
+<div class="page-header">
+    <h1 class="page-title">Administration</h1>
+    <p class="page-subtitle">Manage system settings and configurations</p>
+</div>
+
+<div class="action-grid">
+    <a href="/teams" class="action-card">
+        <i class="fas fa-users-cog"></i>
+        <span>Teams</span>
+    </a>
+    <a href="/admin/users" class="action-card">
+        <i class="fas fa-users"></i>
+        <span>Users</span>
+    </a>
+    <a href="/admin/audit" class="action-card">
+        <i class="fas fa-history"></i>
+        <span>Audit Logs</span>
+    </a>
+    <a href="/admin/security" class="action-card">
+        <i class="fas fa-shield-alt"></i>
+        <span>Security</span>
+    </a>
+    <a href="/admin/app-version" class="action-card">
+        <i class="fas fa-mobile-alt"></i>
+        <span>App Version</span>
+    </a>
+    <a href="/admin/notifications" class="action-card">
+        <i class="fas fa-bell"></i>
+        <span>Notifications</span>
+    </a>
+    <a href="/admin/policies" class="action-card">
+        <i class="fas fa-file-contract"></i>
+        <span>Policies</span>
+    </a>
+</div>