Add comment describing right booster track check

TShockAPI/Bouncer.cs

@@ -345,6 +345,7 @@ namespace TShockAPI
 								return;
 							}
 						}
+						// Checks if the player is trying to place a booster track facing right
 						else if (createTile != TileID.MinecartTrack || placeStyle != 2 || args.Player.TPlayer.direction != 1 || style != 3)
 						{
 							TShock.Log.ConsoleError("Bouncer / OnTileEdit rejected from (placestyle) {0} {1} {2} placeStyle: {3} expectedStyle: {4}",