Update ISSUE_TEMPLATE.md

Author: GrahamTheCoder

.github/ISSUE_TEMPLATE.md

@@ -1,3 +1,5 @@
+Please prefix the issue title with either "C# -> VB: " or "VB -> C#: " if relevant
+
 ### Input code
 ```C#
 If relevant, please enter some example code here to reproduce the issue (in VB or C#), or the steps taken to cause the issue.
@@ -14,4 +16,8 @@ If relevant, the output you expected (in VB or C#), or a description of what you
 ```
 
 ### Details
+Product in use: e.g. web converter / VS extension / both
+
+Version in use: e.g. 5.6.3
+
 Any other relevant information to the issue, or your interest in contributing a fix.