+ Add issue templates

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,31 @@
+---
+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.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1. Run '...'
+2. Run '....'
+3. See error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Error message**
+Paste error message if available (make sure to remove personal details)
+
+**Environment (please complete the following information):**
+ - OS: [e.g. iOS, Windows, Linux]
+ - python-version [e.g. 3.7.1]
+ - eurec4a-version [e.g. 0.0.43 (conda list | grep eurec4a)
+
+**Additional context**
+Add any other context about the problem here.