Update bug issue template

Author: sergioteula

.github/ISSUE_TEMPLATE/---bug-report.md

@@ -0,0 +1,23 @@
+---
+name: "\U0001F41B Bug Report"
+about: Report a reproducible bug or regression
+title: 'Bug: '
+labels: bug
+assignees: ''
+
+---
+
+**Steps to reproduce**
+1. 
+2. 
+3. 
+
+**Code example**
+```python
+"Add some code that helps understanding the issue"
+```
+**Current behavior**
+A clear and concise description of what is currenctly happening.
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.