feat: ReadService hinzugefügt und in ReadController integriert

- Generischen ReadService erstellt, um Lese- (ReadById, ReadAll) und Löschoperationen zu verwalten.
- ReadService in den ReadController integriert.

DigitalData.Core.API/ReadControllerBaseWithErrorHandling.cs

@@ -13,13 +13,13 @@ namespace DigitalData.Core.API
     /// <typeparam name="TId">The type of the entity's identifier.</typeparam>
     [ApiController]
     [Route("api/[controller]")]
-    public class ReadControllerBaseWithErrorHandling<TBasicCRUDService, TReadDto, TEntity, TId> : ControllerBase
-        where TBasicCRUDService : IBasicCRUDService<TReadDto, TEntity, TId>
+    public class ReadControllerBaseWithErrorHandling<TReadService, TReadDto, TEntity, TId> : ControllerBase
+        where TReadService : IReadService<TReadDto, TEntity, TId>
         where TReadDto : class
         where TEntity : class
     {
         protected readonly ILogger _logger;
-        protected readonly TBasicCRUDService _service;
+        protected readonly TReadService _service;
 
         /// <summary>
         /// Initializes a new instance of the CRUDControllerBase class with specified logger and CRUD service.
@@ -28,7 +28,7 @@ namespace DigitalData.Core.API
         /// <param name="service">The CRUD service handling business logic for the entity.</param>
         public ReadControllerBaseWithErrorHandling(
             ILogger logger,
-            TBasicCRUDService service)
+            TReadService service)
         {
             _logger = logger;
             _service = service;