Feature/internal bug issue template

.github/ISSUE_TEMPLATE/bugfix_internal.md

@@ -0,0 +1,46 @@
+---
+name: Bug fix
+about: Fix a known bug
+title: "[BUG]"
+labels: bug
+assignees: ''
+
+---
+
+### Describe the bug
+A clear and concise description of what the bug is.
+
+### To Reproduce
+Steps to reproduce the behavior:
+1. 
+2. 
+3. 
+4. 
+
+### Expected behavior
+A clear and concise description of what you expected to happen.
+
+### Context (Environment)
+ - Mava (and other package versions): result of `pip freeze > requirements.txt`
+ - OS
+
+Add any other context about the problem here.
+
+### Proposal for a fix
+A plan or brief overview of how the feature will be implemented.
+
+### Definition of done
+A precise outline for the feature to be considered fully implemented, i.e. done/complete.
+
+### Mandatory checklist before making a PR
+* [ ] The success criteria laid down in “Definition of done” are met.
+* [ ] Code is documented - docstrings for methods and classes, static types for arguments.
+* [ ] Code is tested - unit, integration and/or functional tests are added.
+* [ ] Documentation is updated - README, CONTRIBUTING, or other documentation.
+* [ ] All functional tests are green.
+* [ ] Link experiment/benchmarking after implementation (optional).
+
+<!-- Base checklist. Don’t hesitate to adapt it to your use-case. -->
+
+### Links / references / screenshots
+<!-- For ex: link to CI job, experiment runs, etc. -->