Create 60-questions-help-issue.md (#8219)

.github/ISSUE_TEMPLATE/60-questions-help-issue.md

+---
+name: Questions and Help
+about: Use this template for Questions and Help.
+labels: type:support
+
+---
+<!--
+As per our GitHub Policy (https://github.com/tensorflow/models/blob/master/ISSUES.md), we only address code bugs, documentation issues, and feature requests on GitHub.
+
+We will automatically close questions and help related issues.
+
+Please go to Stack Overflow (http://stackoverflow.com/questions/tagged/tensorflow-model-garden) for questions and help.
+
+-->