Update issue templates

Author: simontreny

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,15 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: ''
+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. -->