* Add all missing libraries in the packages/apps.
* Add all missing Vitest imports to the tests.
* Add some missing exports to ui.
* Fix the admonition export.
* Fix various minor bugs.
* Migrate the ui package to use vitest.
* feat: add new Icons package
* Create README.md
* add more icons
* add "Home" icon and "Postgres" icon
* reduce helpers
* remove old files
* make dev deps
* Delete package-lock.json
* Update README.md
* add to packages for other apps
* remove from db.design
* Update README.md
* Move the build-icons package in the packages folder.
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Co-authored-by: Ivan Vasilov <vasilov.ivan@gmail.com>