Update feature_request.md

Author: johannesvollmer

.github/ISSUE_TEMPLATE/feature_request.md

@@ -2,16 +2,16 @@
 name: Feature request
 about: Suggest an idea for this project
 title: ''
-labels: ''
+labels: 'enhancement'
 assignees: ''
 
 ---
 
 ## What can be improved or is missing?
 "Feature X is important for doing Y."
 
-## Proposal
-Outline the design of the feature.
+## Implementation Approach
+If you have an idea, 
+outline one or two approaches
+how the feature could look on the surface.
 
-## Alternatives
-"Solution Z would also be an improvement."