v2.40.0
* Improve and simplify DevContainer, Breakout and SwrHeader to match SWR reference better; allow dar mode switch through storybook; add package:watch script * Minor layout fix to layout fix :) * More SwrHeader layout fixes * Publish prerelease * Resolve dependency conflicts (https://github.com/npm/cli/issues/4828) * Fix test (whitespace issues in matcher) * Reset version number (no prerelease) --------- Co-authored-by: Simon Jockers <449739+sjockers@users.noreply.github.com>