feat: add homepage components and API for settings and spielplan options

- Introduced new Vue components for homepage teasers: HomeLinksTeaser, HomeSpielplanTeamWidget, HomeTrainingTeaser, and HomeVereinsmeisterschaftenTeaser.
- Created XML layout for tablet app window dump.
- Implemented API endpoints for fetching and updating homepage settings.
- Added API for retrieving spielplan options, including team extraction logic.

pages/cms/sportbetrieb.vue

@@ -33,7 +33,10 @@
       <!-- Tab Content -->
       <div>
         <CmsTermine v-if="activeTab === 'termine'" />
-        <CmsMannschaften ref="cmsMannschaftenRef" v-if="activeTab === 'mannschaften'" />
+        <CmsMannschaften
+          v-if="activeTab === 'mannschaften'"
+          ref="cmsMannschaftenRef"
+        />
         <CmsSpielplaene v-if="activeTab === 'spielplaene'" />
       </div>
     </div>