Update ISSUE_TEMPLATE.md

Summary:
Minor template updates.
Closes https://github.com/facebook/react-native/pull/14294

Differential Revision: D5167899

Pulled By: hramos

fbshipit-source-id: cef408b7d2b2ef54176177a37fc4024d1bf999c6

.github/ISSUE_TEMPLATE.md

@@ -1,15 +1,23 @@
-Please read the following carefully before opening a new issue.
-Your issue may be closed if it does not provide the information required by this template.
+Please read the following carefully. Issues that do not follow these guidelines will be closed.
 
 We use GitHub Issues exclusively for tracking bugs in React Native.
 
-- If you have a question, ask on Stack Overflow: http://stackoverflow.com/questions/tagged/react-native
-- If you have a feature request, post it on Canny: https://react-native.canny.io/feature-requests
+- Have a question? Ask on Stack Overflow: http://stackoverflow.com/questions/tagged/react-native
+- Have a feature request? Submit it here: https://react-native.canny.io/feature-requests
+- Want to know more about future plans? Check out the roadmap: https://github.com/facebook/react-native/wiki/Roadmap
 
-Make sure your issue reproduces on master. Your issue may already have been fixed!
-If your issue is present in master and in the stable release, try to reproduce your bug on https://snack.expo.io/
-If you can't reproduce the bug on Snack, provide a sample project. 
-At the very least, provide an example of your code.
+## Reporting Bugs
+
+Report a single bug per issue.
+
+### Reproducing bugs
+
+- Always provide reproduction steps.
+- Use Snack. Try to reproduce your bug on https://snack.expo.io/ first of all.
+  If the bug cannot be reproduced using Snack, verify that the issue can be reproduced locally by targeting the latest release candidate. Ideally, check if the issue is present in master as well.
+- Do not forget to include sample code that reproduces the issue.
+
+Issues that do not describe a bug or do not follow the template will be closed.
 
 --- Delete everything above this line ---
 
@@ -21,7 +29,7 @@ Explain what you did, what you expected to happen, and what actually happens.
 
 List all the steps required to reproduce the issue you're reporting. These steps should be clear and concise.
 
-  ***An example of your code is REQUIRED***
+  ***An example of your code or a repro using Snack is REQUIRED***
 
 
 ### Solution