* grafana/ui: Create slider

* grafana/ui: Create slider, tests, add to storybook

* Update Slider, minor changes

* Implement single value slider

* Update style

* Update packages/grafana-ui/package.json

Co-Authored-By: Dominik Prokop <dominik.prokop@grafana.com>

* Update packages/grafana-ui/src/components/Slider/Slider.tsx

Co-Authored-By: Dominik Prokop <dominik.prokop@grafana.com>

* Update slider, include PR review feedback

* Update packages/grafana-ui/src/components/Slider/Slider.tsx

Co-Authored-By: Dominik Prokop <dominik.prokop@grafana.com>

* Update packages/grafana-ui/src/components/Slider/Slider.tsx

Co-Authored-By: Dominik Prokop <dominik.prokop@grafana.com>

* Export orientatin types, gix selectability of tooltip text

* Remove Orientation export from grafana/ui

* Testing Global component to inject global styles

* Add comments

Co-authored-by: Dominik Prokop <dominik.prokop@grafana.com>