Trigger full production pipeline

Update README.md to force important-file detection and validate Build-Site + Publish-Site on merge to main.

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Author: MariusStorhaug

README.md

@@ -67,3 +67,5 @@ You can either help by picking up an existing issue or submit a new one if you h
 ## Acknowledgements
 
 Here is a list of people and projects that helped this project in some way.
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+Validation marker: docs publish verification run at 2026-07-18 22:41:56Z.