Add missing section in the about page

[ITaluone]

IMPORTANT

• The code complies with the Coding Guidelines for C#.
• The changes are covered by unit tests which follow the Arrange-Act-Assert syntax and the naming conventions such as is used in these tests.
• If the PR adds a feature or fixes a bug, please update the release notes with a functional description that explains what the change means to consumers of this library, which are published on the website.
• If the PR changes the public API the changes needs to be included by running AcceptApiChanges.ps1 or AcceptApiChanges.sh.
• If the PR affects the documentation, please include your changes in this pull request so the documentation will appear on the website.

[dennisdoomen]

Thanks for the contribution. However, the building instructions are on the readme of the repository. The website is for consumers and the repo is for contributors.

[IT-VBFK]

Ok, maybe just removing the link? #1934