Add coverage in pipeline and badges to readmes

README.md

 # Example Python Package
 
+![Build status](https://git.astron.nl/templates/python-package/badges/main/pipeline.svg)
+![Test coverage](https://git.astron.nl/templates/python-package/badges/main/coverage.svg)
+
 An example repository of an CI/CD pipeline for building, testing and publishing a python package.
 
 If you find some missing functionality with regards to CI/CD, testing, linting or something else, feel free to make a merge request with the proposed changes.

{{cookiecutter.project_slug}}/.gitlab-ci.yml

@@ -50,6 +50,7 @@ run_unit_tests_coverage:
   image: python:3.7
   script:
    - tox -e coverage
+  coverage: '/(?i)total.*? (100(?:\.0+)?\%|[1-9]?\d(?:\.\d+)?\%)$/'
   artifacts:
     reports:
       coverage_report:

{{cookiecutter.project_slug}}/README.md

 # {{cookiecutter.project_name}}
 
+<!-- TODO: replace  -->
+![Build status](https://git.astron.nl/templates/python-package/badges/main/pipeline.svg)
+![Test coverage](https://git.astron.nl/templates/python-package/badges/main/coverage.svg)
+<!-- ![Latest release](https://git.astron.nl/templates/python-package/badges/main/release.svg) -->
+
 An example repository of an CI/CD pipeline for building, testing and publishing a python package.
 
 ## Installation