Add wrapped progress bar component
- Adds a wrapped progress bar component from bootstrap vue
- Pulls in application.css from dev.gitlab to test gitlab styles on wrapped components
- Adds Storybook (as a means to simply visualize all the components in the project)
- Adds Storyshots (for image snapshot diffing)
Related to https://gitlab.com/gitlab-org/frontend/gitlab-ui/issues/11 Closes https://gitlab.com/gitlab-org/frontend/gitlab-ui/issues/12
Edited by Clement Ho