Add Mannschaften link to Navigation and CMS index

This commit introduces a new link to the "Mannschaften" section in both the Navigation.vue and cms/index.vue components. The addition enhances navigation options for users, allowing easier access to manage and edit teams. The new link is styled consistently with existing navigation elements, improving the overall user experience.

pages/cms/index.vue

@@ -141,6 +141,27 @@
           </p>
         </NuxtLink>
 
+        <!-- Mannschaften -->
+        <NuxtLink
+          to="/cms/mannschaften"
+          class="bg-white p-6 rounded-xl shadow-lg border border-gray-100 hover:shadow-xl transition-all group"
+        >
+          <div class="flex items-center mb-4">
+            <div class="w-12 h-12 bg-teal-100 rounded-lg flex items-center justify-center group-hover:bg-teal-600 transition-colors">
+              <Users
+                :size="24"
+                class="text-teal-600 group-hover:text-white"
+              />
+            </div>
+            <h2 class="ml-4 text-xl font-semibold text-gray-900">
+              Mannschaften
+            </h2>
+          </div>
+          <p class="text-gray-600">
+            Mannschaften bearbeiten und verwalten
+          </p>
+        </NuxtLink>
+
         <!-- Mitglieder -->
         <NuxtLink
           to="/mitgliederbereich/mitglieder"