feat: use the new, revised database model

WebApp/DTOs/EventsDto.cs

@@ -1,11 +1,15 @@
 using System.ComponentModel.DataAnnotations;
+using WebApp.Entities;
 
 namespace WebApp.DTOs;
 public record class EventsDto(
-    int Id,
-    int IdOrganisation, //foreign key
-    string Place,
-    [StringLength(200)] string Description,
-    DateTime Date
+    int EventId,
+    int OrganisationId, //foreign key
+    [StringLength(200)] string Title,
+    [StringLength(800)] string Description,
+    [StringLength(100)] string Location,
+    DateTime EventDate,
+    Organisation? Organisation,
+    ICollection<EventSkill> EventSkills,
+    ICollection<EventRegistration> EventRegistrations
     );
-