Dark Mode + update credits in the footer

Add credits for Anaelle Jaffré's PAD emotion work from I3R project

Add clear user instructions in terminal and landing page

Revert to default port, mention both 7860 and 7861 everywhere

Use dedicated port 7870 for the app

Add clear startup message with correct URL

Improve landing page, fix app URL to 7861, add English language instruction

Add PAD-based emotion system with muted speech output

Initial commit