Create an issue template for questions (#1025)

People might want to just ask the tag for input on an issue.

.github/ISSUE_TEMPLATE/025-question.md

@@ -0,0 +1,14 @@
+---
+name: Ask the TAG a question
+about: >
+  If there is an issue or question that the TAG might be able to help with,
+  please ask using this option.
+labels: Review Type: Question
+title: Question:
+---
+
+Ask your question.
+
+We ask that you provide a summary of the issue, including any various viewpoints that have been established during the discussion.
+
+Please include a link to any discussion you have already had on the topic.  Include any context -- such as links to explainers or specifications -- that might help people understand the question better.