add option in feature issue (#3144)

.github/ISSUE_TEMPLATE/feature-request.md

@@ -18,3 +18,15 @@ A clear and concise description of any alternative solutions or features you've
 
 ## Additional context
 Add any other context or screenshots about the feature request here.
+
+## Are you willing to submit a PR?
+<!--- 
+We accept contributions! 
+Don't feel pressured, but if you want to contribute we can help you by giving some tips, 
+highlighting the necessary code change or explaining any relevant point your feature will impact.
+You can also send questions on #dev Slack channel.
+
+We also understand if you can't submit a PR and we're tremendously grateful
+that you've already contributed by suggesting a new feature.
+-->
+Your answer