docs: set up issue templates

.github/ISSUE_TEMPLATE/feature-request.md

@@ -0,0 +1,20 @@
+---
+name: Feature Request
+about: Suggest an idea for this project
+title: "[Dev] "
+labels: enhancement
+assignees: ''
+
+---
+
+**Backstory**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Proposal**
+A clear and concise description of what you want to happen.
+
+**Alternative**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Addition**
+Add any other context or screenshots about the feature request here, if applicable.