feat(navbar): integrate Upbound unified navigation theme#1060

miloszsobczak wants to merge 1 commit intoupbound:mainupbound/docs:mainfrom

miloszsobczak:GLO-428/override-docs-theme-with-our-enhanced-nav-componentmiloszsobczak/docs:GLO-428/override-docs-theme-with-our-enhanced-nav-componentCopy head branch name to clipboard