Encourage good issues with issue templates [#12]

I've never used github's new multiple-option issue templates before!
I'm excited to see them in action :)

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,14 @@
+---
+name: Feature request
+about: Suggest a new feature
+title: ''
+labels: enhancement
+assignees: ''
+
+---
+
+**The problem I'm trying to solve:**
+<!-- describe what you'd like to be able to accomplish -->
+
+**How I imagine it working:**
+<!-- e.g. configuration that could go in .drone.yml -->