Updated information files

About the Contributor

This PR is opened on behalf of NRK. I can be contacted via the NRK Slack or the Sofie Slack workspaces.

This is a: Documentation improvement

Inconsistent documentation with incorrect formatting and broken links, where some files were missing.

Information, links, and templates are now consistent across all Sofie repos.

Only markdown files have been added/deleted/changed, so no testing necessary.

[x] PR is ready to be reviewed.
[x] The functionality has been tested by the author.
[x] Relevant unit tests has been added / updated.
[x] Relevant documentation (code comments, system documentation) has been added / updated.