No legacy REST API support

[mondalaci]

It'd be worth mentioning in the documentation that this library doesn't support the legacy WooCommerce API.

https://www.npmjs.com/package/woocommerce-api supports the legacy API.

[Yuri-Lima]

I've notice that WooCommerce team, hasnt been updateing their lib for while.

so I decided to fork that which ive been updating and i added TS also, few free to user https://github.com/Yuri-Lima/woocommerce-rest-api-ts-lib