Added help command line option

src/main.ts

@@ -8,12 +8,15 @@ import { ArgParse } from "./utils/arg_parse.js";
 function printUsage() {
   console.log("Usage: npm start -- boardFile gameLogFile [options]");
   console.log("  options:");
+  console.log("    -h --help                 Print this message");
   console.log("    -m --maxPlayersPerGame    Maximum players per game");
   console.log("    -d --debug                Print stack trace on error");
 }
 
 async function main() {
-  // Validate command line arguments
+  // Process command line arguments
+  if (ArgParse.getBooleanArg("h", "help")) return printUsage();
+
   const boardFilename = ArgParse.getStringArg(2);
   if (!boardFilename) return printUsage();