add more notes to issue template

.github/ISSUE_TEMPLATE.md

@@ -1,15 +1,22 @@
+<!-- Please don't delete this template or we'll close your issue -->
 <!-- Before creating an issue please make sure you are using the latest version of webpack. -->
+<!-- Also consider trying the webpack@beta version, maybe it's already fixed. -->
 
 **Do you want to request a *feature* or report a *bug*?**
-<!-- Please ask questions on StackOverflow or the webpack Gitter (https://gitter.im/webpack/webpack). Questions will be closed. -->
+
+<!-- Please ask questions on StackOverflow or the webpack Gitter (https://gitter.im/webpack/webpack). -->
+<!-- Issues which contain questions or support requests will be closed. -->
 
 **What is the current behavior?**
 
 **If the current behavior is a bug, please provide the steps to reproduce.**
+
 <!-- A great way to do this is to provide your configuration via a GitHub gist. -->
+<!-- Best provide a minimal reproduceable repo -->
+<!-- If your issue is caused by a plugin or loader file the issue on the plugin/loader repo -->
 
 **What is the expected behavior?**
 
 **If this is a feature request, what is motivation or use case for changing the behavior?**
 
-**Please mention other relevant information such as the browser version, Node.js version, Operating System and programming language.**
+**Please mention other relevant information such as the browser version, Node.js version, webpack version and Operating System.**