Update README according to IDM requirements #2
Description
- Instructions for building code
- Instructions for installing code
- Instructions for using built code (README, and links to other docs)
- Instructions for running tests (either in main README, or in separate README in /tests directory)
- Instructions for contributing to the code
If you want to reuse the content in a README in the formal HTML
documentation, see https://docs.idmod.org/projects/doc-guidance/en/latest/getting-started.html#pull-readme-files-into-docs.