Merge branch 'add-readme-badges' into 'master'

Add pipeline and coverage badges to README

See merge request !42

Makefile

@@ -39,6 +39,7 @@ install: $(VENV)
 test: $(VENV)
 	$(venv) $(mypy) -p greg
 	$(venv) $(COVERAGE) run --source greg,gregsite -m $(PYTEST)
+	$(venv) $(COVERAGE) report
 	$(venv) $(COVERAGE) xml
 
 .PHONY: lint

README.md

 # Greg
+[![pipeline status](https://git.app.uib.no/it-bott-integrasjoner/greg/badges/master/pipeline.svg)](https://git.app.uib.no/it-bott-integrasjoner/greg/-/commits/master)
+[![coverage report](https://git.app.uib.no/it-bott-integrasjoner/greg/badges/master/coverage.svg)](https://git.app.uib.no/it-bott-integrasjoner/greg/-/commits/master)
 
 Greg (Guest REGistration) provides a core API for keeping track of guests at an institution.