Added multiple qol imporvements

SpotiParty.Web/DatabaseContext.cs

@@ -8,5 +8,13 @@ public class DatabaseContext(DbContextOptions<DatabaseContext> options) : DbCont
     public DbSet<User> Users { get; set; }
 
     public DbSet<Event> Events { get; set; }
-    
+
+    protected override void OnModelCreating(ModelBuilder modelBuilder) {
+        base.OnModelCreating(modelBuilder);
+
+        modelBuilder.Entity<Event>()
+            .HasOne(e => e.Host)
+            .WithMany()
+            .OnDelete(DeleteBehavior.Cascade);
+    }
 }