Add feature request issue template (#176)

* Add feature request issue template

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,40 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: enhancement
+assignees: ''
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**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.
+
+**Impact**
+How would this feature impact the project? Who would benefit from this feature?
+
+**Implementation ideas (optional)**
+If you have any ideas on how this could be implemented, please share them here.
+
+<!--- Go over all the following points, and put an `x` in all the boxes that apply. -->
+<!--- If you're unsure about any of these, don't hesitate to ask. We're here to help! -->
+
+**Are you willing to work on this feature?**
+- [ ] Yes, I'm willing to submit a PR for this feature
+- [ ] No, I'm just suggesting an idea
+
+**Checklist**
+- [ ] I have searched the existing issues to make sure this is not a duplicate
+- [ ] I have provided all the necessary information for this feature request
+- [ ] I understand that this is just a request and may not be implemented since Local Proxy is just a reference implementation for AWS IOT Secure Tunneling
+
+<!-- Thank you for your feature request! We appreciate your input in making our project better. -->