Update ISSUE_TEMPLATE.md

.github/ISSUE_TEMPLATE.md

@@ -1,10 +1,23 @@
 <!--
 
-No feature requests please. Issue tracker is for proven issues with uMatrix
-itself.
+No feature requests please. Issue tracker is for PROVEN issues with uMatrix
+itself. Do not open an issue because your ruleset is interfering negatively
+with a web site or with the browser's proper functioning. Use the logger to
+diagnose issues with your ruleset.
 
-uMatrix is for advanced users. I do not provide support if you have issue
-using uMatrix.
+uMatrix is for advanced users. Do not use the issue tracker to ask for
+support if you have issues using uMatrix.
+
+For question/support/discussions, there is Mozilla Discourse:
+https://discourse.mozilla-community.org/t/support-umatrix/5131
+
+For documentation:
+https://github.com/gorhill/uMatrix/wiki
+
+If you fail to provide basic key information, I will close the issue as
+invalid with no comment. Use common sense to understand what is basic key
+information. Examples: browser/version, uMatrix version, relevant browser
+settings, relevant uMatrix settings, etc.
 
 If you report an issue which I can't reproduce immediately, the issue will be
 closed as unreproducable.