Adds a reload button with RefreshCw icon to HTML artifact header buttons.
Clicking the button clears logs and re-executes the HTML content, useful
for manually refreshing when developing HTML artifacts or testing changes.
Changes:
- Import Button, icon from mini-lit and RefreshCw from lucide
- Add reload button to getHeaderButtons() that clears logs and calls executeContent()
- Add "Reload HTML" i18n key in English and German translations
2d5054e6c0