Chart showing issues created per month

• This one chart would appear at the group level.
• The data would be by month, and show last 12 months, including the current month. So show a total of 12 months.
• Same search filter as in issues/mrs list to allow you to filter on issues.

Measure development specs No data SVG No filtered results SVG

Frontend issue: https://gitlab.com/gitlab-org/gitlab-ee/issues/7925