added TODO item for changelog

- rewrite changelog it better later on
- simplify the issue template

.github/ISSUE_TEMPLATE/feature_request.md

@@ -7,14 +7,5 @@ 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.
+**Feature Description**
+Describe your feature