Yakit English UI v1.0.0-en

Yakit English UI ForknnEnglish UI translation of yaklang/yakit v1.4.7-0630.nn### Changesn- Default language set to Englishn- Startup wizard fully translated (theme picker, engine connection, download modals, process manager)n- AI model form translatedn- Code scan UI translated (results table, task list, extra params)nn### Based on`nUpstream: yaklang/yakit @ 920617f

Full Changelog: v1.0.0-en...v1.0.0-en