Add CLI arguments

game.h

@@ -73,6 +73,9 @@
     music is currently enabled (if not, stop playing it). If you don't want to
     support music, set LCR_SETTING_MUSIC to 0 in your frontend code (before
     including this module) so that the game knows music is disabled.
+  - LCR_ARG_HELP_STR is a string containing help for CLI arguments that can be
+    passed to LCR_gameInit. You can use this in your CLI help. You can also use
+    other strings such as LCR_VERSION.
 */
 
 /**