chore: Add issue template for feature requests (#1679)

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,29 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: 'type: feature or enhancement'
+assignees: ''
+
+---
+
+<!--
+Thank you for submitting an issue!
+
+Please make sure your issue is understandable.
+To make your issue readable make sure you use valid Markdown syntax: https://guides.github.com/features/mastering-markdown/
+
+Please ensure you have also read and understood our contribution guide: https://github.com/medusajs/medusa/blob/master/CONTRIBUTING.md
+-->
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is.
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.