Support multiple in ArgType

[peterroe]

Describe the feature

Feature to solve: #80

export default defineCommand({
  meta: {
    name: "lint",
    description: "A test command",
  },
  args: {
    files: {
      type: "multiple",
      description: "Files need be lint",
    },
  },
  run({ args }) {
	// lint fileA.ts fileB.ts
	console.log(args.files) //=> ['fileA.ts', 'fileB.ts]
  },
});

Additional information

• Would you be willing to help implement this feature?

[nozomuikuta]

@peterroe

It looks like a duplicate of #80, so let me close this issue.

If you think the goal is different, would you reopen this issue and add explanation?