Update bug_report.md

Author: darkl

.github/ISSUE_TEMPLATE/bug_report.md

@@ -11,17 +11,39 @@ A clear and concise description of what the bug is.
 **To Reproduce**
 Add a complete standalone code that reproduces the issue. Preferably upload it as a Gist to [GitHub Gist](https://gist.github.com/). Examples [#1](https://gist.github.com/darkl/8546e3abfce64f43b635574e9708e7f0), [#2](https://gist.github.com/darkl/7db5cb48e235bf5b08fa17723aa61677), [#3](https://gist.github.com/esso23/f04702909ac40799075b5221b406b009), [#4](https://gist.github.com/BramVader/864655dc8edb087bb015e143cc6589cb).
 
-Additionally, what steps should be done in order to reproduce the issue. For example:
->1. Run crossbario router.
->2. Run Callee.cs
->3. Run Caller.cs
->4. Kill crossbario router.
->5. Run crossbario router again.
->6. Run Caller.cs again.`
+Additionally, what steps should be done in order to reproduce the issue.
+
+For example:
+1. Run crossbario router.
+2. Run Callee.cs
+3. Run Caller.cs
+4. Kill crossbario router.
+5. Run crossbario router again.
+6. Run Caller.cs again.
+
+Vague bug reports with poorly formatted code snippets and/or non-standalone code snippets, will be automatically closed!
 
 **Expected behavior**
-A clear and concise description of what you expected to happen. For example:
->Expected: Caller.cs CalleeProxy call should succeed, but it fails.
+A clear and concise description of what you expected to happen.
+
+For example:
+Expected: Caller.cs CalleeProxy call should succeed, but it fails.
+
+**External WAMP libraries involved**
+Specify any other WAMP technology involved and explain how.
+
+Examples:
+* crossbar.io 18.11.1 is used as a router with the following config.json (add config file to your gist).
+* AutobahnJS 18.10.2 is used as a callee (add callee code to your gist).
+
+**.NET platform variant**
+Specify your .NET platform variant. This includes your operating system version.
+
+Examples:
+* .NET Framework 4.6.3 on Windows 10
+* .NET Core 2.1 on Ubuntu 18.10
+* Xamarin.Android 9
+* UWP Build 17763 (version 1809)
 
 **Additional context**
 Add any other context about the problem here.