POC docs: add dynamic category navigation how-to guide#865

OscarMerino wants to merge 2 commits into

commerce-docs:releasecommerce-docs/microsite-commerce-storefront:releasefrom

OscarMerino:POC-COMOPT-1958OscarMerino/microsite-commerce-storefront:POC-COMOPT-1958Copy head branch name to clipboard