Update issue templates

.github/ISSUE_TEMPLATE/aufgaben.md

@@ -0,0 +1,12 @@
+---
+name: Aufgaben
+about: A task for a collaborator to do.
+title: "[TASK] Title"
+labels: task
+assignees: ''
+
+---
+
+**Kurzbeschreibung**
+
+**weitere Infos**

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature request
+about: Suggest an idea for this project
+title: "[FEATURE] Title"
+labels: ''
+assignees: lade043
+
+---
+
+**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.