feat: Add Single stat component
What does this MR do?
Basic Single Stat component for gitlab-ui
What are the relevant issue numbers?
Closes: #174 (closed)
CE ticket: https://gitlab.com/gitlab-org/gitlab-ce/issues/57084
Edited by Tristan Read
Basic Single Stat component for gitlab-ui
Closes: #174 (closed)
CE ticket: https://gitlab.com/gitlab-org/gitlab-ce/issues/57084