ISTWCMS-4837: convert 5 column and inverted l left layout to pattern-lab

layouts/layout--uw-4-col.html.twig

layouts/layout--uw-5-col.html.twig

layouts/layout--uw-inverted-l-left.html.twig

layouts/uw-5-col/layout--uw-5-col.html.twig

layouts/uw-5-col/uw-layout-5-col.css

...s/uw-inverted-l-left/layout--uw-inverted-l-left.html.twig

layouts/uw-inverted-l-left/uw-layout-inverted-l-left.css

uw_cfg_common.layouts.yml

uw_cfg_common.libraries.yml