embed the previously manually edited outdated documentation

from https://github.com/OpenRA/OpenRA/wiki/Trait-Documentation

OpenRA.Mods.RA/CashTrickler.cs

@@ -10,15 +10,22 @@
 
 using OpenRA.Traits;
 using OpenRA.Mods.RA.Effects;
+using OpenRA.FileFormats;
 
 namespace OpenRA.Mods.RA
 {
+	[Desc("Let's the object generate cash in a set periodic time.")]
 	class CashTricklerInfo : ITraitInfo
 	{
+		[Desc("Amount of money to give each time.")]
 		public readonly int Period = 50;
+		[Desc("Number of ticks to wait between giving money.")]
 		public readonly int Amount = 15;
+		[Desc("Whether to show the cash tick indicators (+$15 rising from actor).")]
 		public readonly bool ShowTicks = true;
+		[Desc("How long the cash tick indicator should be shown for.")]
 		public readonly int TickLifetime = 30;
+		[Desc("Pixels/tick upward movement of the cash tick indicator.")]
 		public readonly int TickVelocity = 1;
 
 		public object Create (ActorInitializer init) { return new CashTrickler(this); }