Topic: Explain how to add your own product-links providers (related,upsell,crossell,recommended)

[jochhop]

Hi @damienwebdev I am working already on this, if you want to see the progress on it, here it is what I have done so far:

https://github.com/jochhop/devdocs/blob/feature/how_to_build_custom_product_links/tutorials-and-examples/how-to-add-your-own-products-links-providers.md

Please let me know if you'd like to have it in a different format or something