feat(workspaces): adds models

src/api/Models/Project.cs

@@ -0,0 +1,14 @@
+namespace Api.Models;
+
+public class Project
+{
+    public Guid Id { get; set; }
+    public Guid WorkspaceId { get; set; }
+    public required string Name { get; set; }
+    public DateTime CreatedAt { get; set; }
+
+    // Navigation properties
+    public Workspace Workspace { get; set; } = null!;
+    public ICollection<ShortLink> ShortLinks { get; set; } = [];
+    public ICollection<QRCodeDesign> QRCodeDesigns { get; set; } = [];
+}