doc: Add feature request template for Issues

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,23 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**1. Is your feature request related to a problem?**
+A clear and concise description of what the problem is. (e.g., "I'm always frustrated when I can't save files persistently across reboots...")
+
+**2. Describe the Solution you'd like:**
+A clear and concise description of what you want to happen. Are you proposing a new syscall, a new userspace app, or a kernel change? 
+
+**3. Describe alternatives you've considered:**
+A clear and concise description of any alternative solutions or features you've considered. (e.g., "Instead of ext2, we could just implement FAT32 first.")
+
+**4. Can you help build it?**
+Let us know if this is just an idea you'd like to see, or if you plan on submitting a Pull Request for it yourself!
+
+**5. Additional Context:**
+Add any other context, mockup screenshots, or links to technical documentation (e.g., OSDev Wiki links) here.