Update README.md

Updated readme to say Pearl
Removed padding from navigation li last-child, changed the company name line height on mobile, upped paragraph font-size on mobile and removed double ecom image.
DT-1300 added margin bottom to the blog post tags
Removed fixed width from navigation folder item
Merge branch 'develop' of https://github.com/basekit-templates/pearl into develop
Merge remote-tracking branch 'upstream/develop' into develop

Conflicts:
	README.md