Reorganized folder structure

src/HopFrame.Database/Models/Entries/GroupEntry.cs

@@ -0,0 +1,18 @@
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+
+namespace HopFrame.Database.Models.Entries;
+
+public class GroupEntry {
+    [Key, Required, MaxLength(50)]
+    public string Name { get; set; }
+    
+    [Required, DefaultValue(false)]
+    public bool Default { get; set; }
+    
+    [MaxLength(500)]
+    public string Description { get; set; }
+    
+    [Required]
+    public DateTime CreatedAt { get; set; }
+}