Create Bug report template

.github/ISSUE_TEMPLATE/bug-report.md

@@ -0,0 +1,31 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: bug
+assignees: ''
+
+---
+
+### Description
+
+### Expected result
+
+### Current behavior
+
+### Preconditions (optional)
+
+#### Reproduction Steps
+
+### Acceptance criteria
+
+The list of acceptance criteria (defined in the corresponding User Story or coming from your functional knowledge of the product)
+These acceptance criteria must be met by the corrective implementation done by the developers.
+
+### Context
+
+Devices, OS
+
+### Additional information
+
+frequency, log files,...