Progress Overhaul + Profile Page and a LOT more! (#4262)

Co-authored-by: Amelia <77553571+Fesaa@users.noreply.github.com>
Co-authored-by: Robbie Davis <robbie@therobbiedavis.com>

API/Entities/User/ClientDeviceHistory.cs

@@ -0,0 +1,22 @@
+using System;
+using API.Entities.Progress;
+using API.Entities.User;
+
+namespace API.Entities;
+
+public class ClientDeviceHistory
+{
+    public int Id { get; set; }
+    public int DeviceId { get; set; }
+
+    /// <summary>
+    /// Snapshot of ClientInfoData at a point in time
+    /// Useful for tracking IP changes, browser updates, etc.
+    /// </summary>
+    public ClientInfoData ClientInfo { get; set; } = new();
+
+    public DateTime CapturedAtUtc { get; set; }
+
+    // Navigation
+    public ClientDevice Device { get; set; } = null!;
+}