Add bilingual documentation with Hebrew RTL support and emoji flair

[Copilot]

This PR updates the project documentation to be bilingual (Hebrew and English) with proper right-to-left (RTL) rendering for Hebrew content and adds tasteful emoji flair throughout.

Changes Made

README.md

• Replaced minimal README with comprehensive bilingual documentation
• Hebrew section wrapped in <div dir="rtl" lang="he" align="right"> for proper RTL rendering on GitHub
• English section remains left-to-right (LTR) as expected
• Added emojis to headings and bullet points for visual appeal
• Includes deployment instructions for Railway, local setup, security guidelines, and project structure

Documentation Files

Created docs/ directory with function reference documentation:

• docs/functions-he.md: Hebrew RTL function documentation with proper dir="rtl" attributes
• docs/functions-en.md: English LTR function documentation

Both files provide comprehensive coverage of the project's main modules:

• bot.py - Telegram bot logic and handlers
• app.py - Streamlit application components
• config.py - Configuration management
• main.py - Combined local execution
• Supporting utility modules

Features

• ✨ Proper Hebrew RTL rendering using HTML attributes
• 🎨 Tasteful emoji usage for improved visual hierarchy
• 🌐 Complete bilingual support (Hebrew/English)
• 📚 Comprehensive function reference documentation
• 🔧 Clear setup and deployment instructions

The documentation now properly serves both Hebrew and English speakers with appropriate text direction rendering and maintains a professional yet visually appealing presentation.

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