Add production-ready Docker deployment for local server hosting

Remove unwanted character from App.tsx

last

Add editable transcription workflow and Supabase save

Fix mic upload: record WAV; light Arabic UI without emojis

Redesign frontend as Arabic-only شَمْل voice demo

Add audio upload: Whisper ASR + diacritization pipeline

Add Diac API backend, Arabic RTL frontend, Docker, and docs