feat: Füge CountAsync Methode zum ICRUDRepository Interface hinzu

DigitalData.Core.Abstractions/Infrastructure/ICRUDRepository.cs

@@ -40,5 +40,11 @@
         /// <param name="entity">The entity to delete.</param>
         /// <returns>If entity is deleted, return true othwerwise return false.</returns>
         Task<bool> DeleteAsync(TEntity entity);
+
+        /// <summary>
+        /// Asynchronously counts all entities in the repository.
+        /// </summary>
+        /// <returns>The total number of entities in the repository.</returns>
+        Task<int> CountAsync();
     }
 }