Redo the auth system and implement rate limits

ChatTwo/Util/WebinterfaceUtil.cs

@@ -8,4 +8,12 @@ public class WebinterfaceUtil
     {
         return (100000 + Rng.Next() % 100000).ToString()[1..];
     }
+
+    public static string GenerateSimpleToken()
+    {
+        var buffer = new byte[15];
+        Rng.NextBytes(buffer);
+
+        return Convert.ToHexString(buffer);
+    }
 }

ChatTwo/Util/WrapperUtil.cs

@@ -8,4 +8,7 @@ public static class WrapperUtil
     {
         Plugin.Notification.AddNotification(new Notification { Content = content, Type = type, Minimized = minimized });
     }
+
+    public static IEnumerable<(T Value, int Index)> WithIndex<T>(this IEnumerable<T> list)
+        => list.Select((x, i) => (x, i));
 }