Update Bug Submission Template to Ask about Reproducing Bugs in Sample App

Author: michael-hawker

.github/ISSUE_TEMPLATE/bug_report.md

@@ -18,11 +18,17 @@ A clear and concise description of what the bug is.
 - [ ] Is this bug a regression in the toolkit?  If so, what toolkit version did you last see it work:
 
 ## Steps to Reproduce
+
+- [ ] Can this be reproduced in the Sample App? (Either in a sample as-is or with new XAML pasted in the editor.) If so, please provide custom XAML or steps to reproduce. If not, let us know why it can't be reproduced (e.g. more complex setup, environment, dependencies, etc...) <!-- Being able to reproduce the problem in the sample app, really stream-lines the whole process in being able to discover, resolve, and validate bug fixes. -->
+
 Steps to reproduce the behavior:
-1. Go to '...'
-2. Click on '....'
-3. Scroll down to '....'
-4. See error
+1. Given the following environment (Sample App w/ XAML, Project with Isolated setup, etc...)
+2. Go to '...'
+3. Click on '....'
+4. Scroll down to '....'
+5. See error
+
+<!-- Provide as many code-snippets or XAML snippets where appropriate. -->
 
 ## Expected behavior
 A clear and concise description of what you expected to happen.