chore: update playground

Author: ivodolenc

playground/args.ts

@@ -1,7 +1,15 @@
-import { createArgs } from '../src/index.js'
+import { createArgs } from '../src'
 
-interface Args {}
-
-const args = createArgs<Args>()
+interface Args {
+  a?: string
+  b?: boolean
+  c?: string
+}
+const args = createArgs<Args>({
+  argv: ['arg', '-a', 'value-a', '-b', '-c', 'value-c'],
+  alias: {
+    d: ['c', 'f'],
+  },
+})
 
 console.log(args)