chore: update browser README

Author: sheremet-va

packages/browser/README.md

@@ -2,20 +2,20 @@
 
 Browser runner for Vitest.
 
-> ⚠️ This package is **not yet ready** and it's for preview only. While this package will be released along with other packages, it will not follow semver for breaking changes until we mark it as ready. **Do not use it in production**.
+> ⚠️ This package is **experimental**. While this package will be released along with other packages, it will not follow semver for breaking changes until we mark it as ready.
 
 ## Progress
 
 Current Status: **Working in progress**
 
 - [x] Init package and integration
 - [x] Stub node packages for Vitest runtime
-- [ ] Works in development mode
-- [ ] Better log in terminal
-- [ ] Fulfill tests (using Browser only APIs, Vue and React components)
+- [x] Works in development mode
+- [x] Better log in terminal
+- [x] Fulfill tests (using Browser only APIs, Vue and React components)
 - [ ] Show progress and error on the browser page
-- [ ] Headless mode in CI
-- [ ] Docs
+- [x] Headless mode in CI
+- [x] Docs
 
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