Update issues template

Author: andrew-oc

.github/ISSUE_TEMPLATE/please-don-t-file-new-issues-here--use-the-bug-reporter-instead-.md

@@ -0,0 +1,15 @@
+---
+name: PLEASE DON'T FILE NEW ISSUES HERE. Use the bug reporter instead.
+about: Please use the bug reporter to file new issues
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+Hello,
+
+If you have a bug to report, please file it as described here https://unity3d.com/unity/qa/bug-reporting
+For general feedback and discussions you can go to https://forum.unity.com/forums/new-input-system.103/
+
+Thank you!