RMA support for ScandiPWA

This extension adds possibility to create and review RMA requests in 'My account' section.

Note: RMA extension is only support by Magento 2 Commerce Edition.

Steps to install:

1. composer require scandipwa/rma-graphql
2. Reference this extension from your theme's scandipwa.json as "Rma": "vendor/scandipwa/rma-graphql/"
3. Compile the theme (npm ci && npm run build or npm run watch)