Merge pull request #5470 from woocommerce/github-template-improvement

Improved PR template

Author: kidinov

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,5 +1,19 @@
+<!-- Remember about a good descriptive title. -->
 
+Closes: #
+<!-- Id number of the GitHub issue this PR addresses. -->
 
+### Description
+<!-- Take the time to write a good summary. Why is it needed? What does it do? When fixing bugs try to avoid just writing “See original issue” – clarify what the problem was and how you’ve fixed it. -->
 
-Update release notes:
+### Testing instructions
+<!-- Step by step testing instructions. When necessary break out individual scenarios that need testing, consider including a checklist for the reviewer to go through. -->
+
+### Screenshots
+<!-- Include before and after images or gifs when appropriate. -->
+
+
+---
 - [ ] I have considered if this change warrants user-facing release notes and have added them to `RELEASE-NOTES.txt` if necessary.
+
+<!-- Pull request guidelines: https://github.com/woocommerce/woocommerce-android/blob/develop/docs/pull-request-guidelines.md -->