feat(cms): add season dropdown/create and restore baelle ratio

pages/mannschaften/[slug].vue

@@ -244,6 +244,9 @@
                   <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
                     Sätze
                   </th>
+                  <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
+                    Bälle
+                  </th>
                   <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
                     Punkte
                   </th>
@@ -276,6 +279,9 @@
                   <td class="px-4 py-3 whitespace-nowrap text-sm text-gray-900">
                     {{ formatSaetze(row) }}
                   </td>
+                  <td class="px-4 py-3 whitespace-nowrap text-sm text-gray-900">
+                    {{ formatBaelle(row) }}
+                  </td>
                   <td class="px-4 py-3 whitespace-nowrap text-sm text-gray-900">
                     {{ formatPunkte(row) }}
                   </td>
@@ -672,6 +678,13 @@ const formatSaetze = (row) => {
   return `${won ?? 0}:${lost ?? 0}`
 }
 
+const formatBaelle = (row) => {
+  const won = row?.games_won
+  const lost = row?.games_lost
+  if (won == null && lost == null) return row?.games_relation || '-'
+  return `${won ?? 0}:${lost ?? 0}`
+}
+
 const formatPunkte = (row) => {
   if (row?.points_won == null && row?.points_lost == null) return '-'
   return `${row?.points_won ?? 0}:${row?.points_lost ?? 0}`