Added event system, soft error handler and added some things from helio

Moonlight/App/Database/Entities/User.cs

@@ -0,0 +1,19 @@
+namespace Moonlight.App.Database.Entities;
+
+public class User
+{
+    public int Id { get; set; }
+    public string Username { get; set; }
+    public string Email { get; set; }
+    public string Password { get; set; }
+    public string? Avatar { get; set; } = null;
+    public string? TotpKey { get; set; } = null;
+    
+    // Meta data
+    public string Flags { get; set; } = "";
+    public int Permissions { get; set; } = 0;
+    
+    // Timestamps
+    public DateTime TokenValidTimestamp { get; set; } = DateTime.UtcNow.AddMinutes(-10);
+    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+}