chore(ISSUE_TEMPLATE/FEATURE): add feature request template

Author: michael-ciniawsky

.github/ISSUE_TEMPLATE/FEATURE.md

@@ -0,0 +1,22 @@
+---
+name: 🌟 Feature
+about: Request a feature
+---
+
+### Proposal
+
+<!-- ✏️ Briefly describe the feature you want to be added -->
+
+### Use Case
+
+<!-- ✏️ Describe in more detail the specific use case this feature addresses -->
+
+### Implementation
+
+<!-- 👉 Select one of the provided options -->
+
+- [ ] I'm open to work on this
+  - [ ] I need help/mentorship
+- [ ] I'm unable to work on this
+
+<!-- ✏️ Briefly describe the feature implementation -->