Added help commands.

src/games/letters.js

@@ -145,11 +145,6 @@ function onCommand(args, context) {
 		return;
 	}
 
-	if (['help', 'commands'].includes(context.subcommand)) {
-		context.sendMessage('Make the longest word using the available letters. To pick the letters, say con(sonant), vow(el) or supply multiple: CCCCCVVVV. Available subcommands: :stop', context.room.id);
-		return;
-	}
-
 	if (!context.subcommand) {
 		start(context);
 	}
@@ -188,6 +183,7 @@ function onMessage(message, context) {
 
 module.exports = {
 	name: 'Letters',
+	help: `Make the longest word from the ${config.letters.length} letters on the board. Start with ${config.prefix}letters, and fill the board by selecting a vow(el), a con(sonant), or multiple at once like CCVVCCVVC.`,
 	onCommand,
 	onMessage,
 };