Adds Blazor Web App standard login

WatchLog/Data/DatabaseModels/Shared/SharedListLabel.cs

@@ -0,0 +1,37 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace WatchLog.Data
+{
+    public class SharedListLabel
+    {
+        [Key]
+        public int Id { get; set; }
+
+        [Required]
+        [MaxLength(50)]
+        public required string Name { get; set; }
+
+        [Required]
+        public required DateTime CreationTime { get; set; }
+
+        public DateTime? LastChange { get; set; }
+
+
+        // --- Foreign Key ---
+        [Required]
+        public int SharedListId { get; set; }
+
+
+        // --- Navigation Properties ---
+        [ForeignKey(nameof(SharedListId))]
+        public virtual SharedList SharedList { get; set; } = null!;
+
+        public virtual ICollection<LinkTableSharedLabel> LinkTableSharedLabels { get; set; } = new List<LinkTableSharedLabel>();
+    }
+}