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.

components/Navigation.vue

@@ -378,6 +378,13 @@
                         >
                           Termine
                         </NuxtLink>
+                        <NuxtLink
+                          to="/cms/mannschaften"
+                          class="block px-4 py-2 text-sm text-gray-300 hover:bg-primary-600 hover:text-white transition-colors"
+                          @click="showCmsDropdown = false"
+                        >
+                          Mannschaften
+                        </NuxtLink>
                         <NuxtLink
                           to="/cms/spielplaene"
                           class="block px-4 py-2 text-sm text-gray-300 hover:bg-primary-600 hover:text-white transition-colors"
@@ -758,6 +765,13 @@
                 >
                   Termine
                 </NuxtLink>
+                <NuxtLink
+                  to="/cms/mannschaften"
+                  class="block px-4 py-2 text-sm text-yellow-300 hover:text-white hover:bg-primary-700/50 rounded-lg transition-colors"
+                  @click="isMobileMenuOpen = false"
+                >
+                  Mannschaften
+                </NuxtLink>
                 <NuxtLink
                   to="/cms/spielplaene"
                   class="block px-4 py-2 text-sm text-yellow-300 hover:text-white hover:bg-primary-700/50 rounded-lg transition-colors"