feat(metro): enableHermes options

[gronxb]

Enabling Hermes compiles JavaScript to bytecode, improving performance and memory efficiency. If you’re using Hermes, it is recommended to enable this flag.

https://reactnative.dev/docs/hermes

import { metro } from "@hot-updater/metro";
import { defineConfig } from "hot-updater";
import "dotenv/config";

export default defineConfig({
  build: metro({
    enableHermes: true,
  }),
  ...
});