Create a template for reporting feature requests (#57)

This change adds a issue template for reporting feature requests.

Signed-off-by: Eric Brown <ericwb@users.noreply.github.com>

Author: ericwb

.github/ISSUE_TEMPLATE/feature-request.md

@@ -0,0 +1,22 @@
+---
+name: "\U0001F680 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.
+
+Love this idea? Give it a 👍. We prioritize fulfilling features with the most 👍.