user commander to handle command

packages/create-waku-app/createWakuApp.js

@@ -0,0 +1,28 @@
+const { Command } = require('commander');
+
+const packageJson = require('./package.json');
+
+let appName;
+
+const createApp = () => {
+    const program = new Command()
+        .name(packageJson.name)
+        .description(packageJson.description)
+        .version(packageJson.version)
+        .arguments("<project-directory>", "Project directory to initialize Waku app")
+        .action(name => {
+            appName = name;
+        })
+        .option(
+            "-t, --template <path-to-template>", 
+            "specify a template for the created project"
+        )
+        .allowUnknownOption()
+        .parse();
+
+    const options = program.opts();
+
+    console.log(`Initializing ${appName} from template ${options.template || "default"}`);
+};
+
+module.exports = { createApp };