[FEATURE REQUEST] Allow a product to be a part of multiple categories

[parmindersk]

Is your feature request related to a problem? Please describe.
I'm setting up a shop and I have items that are unisex. I want to show these under men and women categories as well. When adding a product it only allows me to add the product in a single category.

Describe the solution you'd like
Allow adding a product to multiple categories.

Describe alternatives you've considered
No alternate

Additional context
NA