feat: Add CMS and Member Area screens with ViewModels

- Implemented CmsViewModel to manage CMS data loading and state.
- Created MemberAreaDetailScreens for displaying member information and news.
- Added MembersViewModel and MemberNewsViewModel for managing member data and news.
- Developed MemberAreaScreen to provide navigation and display member-related options.
- Introduced ProfileScreen and ProfileViewModel for user profile management.
- Implemented state management for loading, error handling, and form updates across screens.

components/cms/CmsMannschaften.vue

@@ -117,6 +117,22 @@
                 </div>
               </td>
               <td class="px-4 py-3 whitespace-nowrap text-right text-sm font-medium space-x-3">
+                <button
+                  class="p-2 border border-gray-300 rounded-lg hover:bg-gray-50 text-gray-600 disabled:opacity-50 disabled:cursor-not-allowed mr-1"
+                  title="Nach oben"
+                  :disabled="isSaving || index === 0"
+                  @click="moveMannschaftUp(index)"
+                >
+                  <ChevronUp :size="18" />
+                </button>
+                <button
+                  class="p-2 border border-gray-300 rounded-lg hover:bg-gray-50 text-gray-600 disabled:opacity-50 disabled:cursor-not-allowed mr-2"
+                  title="Nach unten"
+                  :disabled="isSaving || index === mannschaften.length - 1"
+                  @click="moveMannschaftDown(index)"
+                >
+                  <ChevronDown :size="18" />
+                </button>
                 <button
                   class="text-gray-600 hover:text-gray-900"
                   title="Bearbeiten"
@@ -577,6 +593,29 @@ const saveCSV = async () => {
   })
 }
 
+const moveMannschaft = async (index, delta) => {
+  const to = index + delta
+  if (index < 0 || to < 0 || to >= mannschaften.value.length) return
+  isSaving.value = true
+  try {
+    const arr = mannschaften.value
+    const item = arr[index]
+    arr.splice(index, 1)
+    arr.splice(to, 0, item)
+    await saveCSV()
+    await loadMannschaften().catch(() => {})
+    if (window.showSuccessModal) window.showSuccessModal('Erfolg', 'Reihenfolge gespeichert')
+  } catch (err) {
+    console.error('Fehler beim Verschieben der Mannschaft:', err)
+    if (window.showErrorModal) window.showErrorModal('Fehler', 'Reihenfolge konnte nicht gespeichert werden')
+  } finally {
+    isSaving.value = false
+  }
+}
+
+const moveMannschaftUp = (index) => moveMannschaft(index, -1)
+const moveMannschaftDown = (index) => moveMannschaft(index, 1)
+
 const createNextSeason = async () => {
   const baseSeason = selectedSeason.value || seasons.value[0]
   const nextSeason = getNextSeasonSlug(baseSeason)