ISTWCMS-5829: adding pagination

src/patterns/01-core/props/_durations.scss

src/patterns/01-core/props/_index.scss

src/patterns/04-components/_index.scss

src/patterns/04-components/pager/_pager.scss

...patterns/04-components/pager/pager--mini/_page--mini.scss

src/patterns/04-components/pager/pager--mini/pager--mini.md

...patterns/04-components/pager/pager--mini/pager--mini.twig

src/patterns/04-components/pager/pager--mini/pager--mini.yml

src/patterns/04-components/pager/pager.md

src/patterns/04-components/pager/pager.twig

src/patterns/04-components/pager/pager.yml