Managed by Terraform: Add feature_requests.md issue template

Author: nywilken

.github/ISSUE_TEMPLATE/feature_requests.md

@@ -0,0 +1,31 @@
+---
+name: Feature Request
+about: If you have something you think this Packer plugin could improve or add support for.
+labels: enhancement
+---
+
+Please search the existing issues for relevant feature requests, and use the
+reaction feature
+(https://blog.github.com/2016-03-10-add-reactions-to-pull-requests-issues-and-comments/)
+to add upvotes to pre-existing requests.
+
+#### Community Note
+
+Please vote on this issue by adding a 👍 [reaction](https://blog.github.com/2016-03-10-add-reactions-to-pull-requests-issues-and-comments/) to the original issue to help the community and maintainers prioritize this request.
+Please do not leave "+1" or "me too" comments, they generate extra noise for issue followers and do not help prioritize the request.
+If you are interested in working on this issue or have submitted a pull request, please leave a comment.
+
+#### Description
+
+A written overview of the feature.
+
+#### Use Case(s)
+
+Any relevant use-cases that you see.
+
+#### Potential configuration
+
+```
+```
+
+#### Potential References