Update issue templates

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**Stack Trace**
+Please provide the stack trace that the application has given to you
+
+**To Reproduce**
+- Execution-Command:
+- Brief description of the used data set
+
+**Environment:**
+ - OS: 
+ - Python-Version:
+
+**Additional context (optional)**
+Add any other context about the problem here.