Reorganized folder structure

src/HopFrame.Database/Models/Permission.cs

@@ -0,0 +1,10 @@
+namespace HopFrame.Database.Models;
+
+public sealed class Permission {
+    public long Id { get; init; }
+    public string PermissionName { get; set; }
+    public Guid Owner { get; set; }
+    public DateTime GrantedAt { get; set; }
+}
+
+public interface IPermissionOwner {}