Add badges to README.md

Author: c-salomonsen

README.md

@@ -1,2 +1,4 @@
+![test-badge](https://github.com/SFI-Visual-Intelligence/Collaborative-Coding-Exam/actions/workflows/test.yml/badge.svg) ![format](https://github.com/SFI-Visual-Intelligence/Collaborative-Coding-Exam/actions/workflows/format.yml/badge.svg) ![sphinx](https://github.com/SFI-Visual-Intelligence/Collaborative-Coding-Exam/actions/workflows/sphinx.yml/badge.svg)
+
 # Collaborative-Coding-Exam
 Repository for final evaluation in the FYS-8805 Reproducible Research and Collaborative coding course