Ask for solutions in new issue template.

Summary: Closes https://github.com/facebook/react-native/pull/10884

Differential Revision: D4167391

Pulled By: hramos

fbshipit-source-id: 278b153e9a7bf6975e4d0f23909601f78c8ab3fe

.github/ISSUE_TEMPLATE.md

@@ -14,6 +14,10 @@ If you have a feature request, post it on Product Pains: https://productpains.co
 
 [FILL THIS OUT: Try to reproduce your bug on rnplay.org and provide a link. If you can't reproduce the bug on rnplay.org, provide a sample project.]
 
+### Solution
+
+[FILL THIS OUT: What needs to be done to address this issue? Ideally, provide a pull request with a fix.]
+
 ### Additional Information
 
 * React Native version: [FILL THIS OUT]