Add .github/ISSUE_TEMPLATE.md #216
Description
Per:
- https://github.com/blog/2111-issue-and-pull-request-templates
- https://help.github.com/articles/helping-people-contribute-to-your-project/
- https://help.github.com/articles/creating-an-issue-template-for-your-repository/