Filters to narrow product search

[1jmj]

like all good e-commerce sites, some kind of filter to allow products to be narrowed, e.g. size, color, brand, gender

[leerob]

Hey there! Thank you for opening this issue. We have decided to take Next.js Commerce in a new direction and will be closing out current PRs and issues due to this change. Please see this PR for more details: #966