embed the previously manually edited outdated documentation

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

OpenRA.Game/GameRules/ActorInfo.cs

@@ -16,8 +16,15 @@ using OpenRA.Traits;
 
 namespace OpenRA
 {
+	//TODO: This is not exported into the documentation yet.
+	[Desc("A unit/building inside the game. Every rules starts with one and adds trait to it.\n" +
+	      "\t# Special actors like world or player are usually defined in system.yaml and effect everything.")]
 	public class ActorInfo
 	{
+		[Desc("The actor name can be anything, but the sprites used in the Render*: traits default to this one.\n" +
+		      "\t# Also if you add an ^ in front of the name, the engine will recognize this as a collection of traits\n" +
+		      "\t# that can be inherited by others (using Inherits:) and not a real unit." +
+		      "\t# You can remove inherited traits by adding a - infront of them as in -TraitName: to inherit everything, but this trait.")]
 		public readonly string Name;
 		public readonly TypeDictionary Traits = new TypeDictionary();