[-]: 누락된 changeset 추가

.changeset/wise-cars-shout.md

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+'react-tutorial-overlay': minor
+---
+
+Improve the tutorial overlay with a more complete onboarding API and release workflow.
+
+- Added keyboard navigation, backdrop close controls, and a Promise-based `tutorial.open()` result for easier flow control.
+- Improved highlight padding, overlay positioning, accessibility, and built-in UI customization options.
+- Stabilized runtime behavior, restored test coverage, fixed docs lint/build issues, and aligned README/docs with the current API.
+- Added Changesets-based versioning and release automation so changelog updates and npm publishing are easier to manage.