templates: Add an issue template for unresponsive maintainers

This is mainly to tag the issues with 'unresponsive-maintainers' so we
can more easily track them.

Change-Id: I429559152e9835f69f7e951fda4dd826b1f77750
Signed-off-by: Andrew Jeffery <andrew@codeconstruct.com.au>
1 file changed
tree: 3460b8117fd8d156b2fa868ab485d0633252b7ef
  1. .github/