There are multiple Astro project and others that use shared files such as the Slint grammar file. This puts them into an NPM project that can be imported easily.
* Docs tests: remove leading slash
* Fix slash handling in link-data.json for the C++ docs
* Fix trailing slash handling for link-data.json for the Rust API docs
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Co-authored-by: Simon Hausmann <simon.hausmann@slint.dev>
Bring back playwright tests.
Archive playwright test report to make it easier to debug failed test runs.
Better define a BASE_URL and BASE_PATH so the playwright tests happily work during a release.
