docs: add Hugging Face Space YAML metadata header

Author: urstark

README.md

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+---
+title: Security & Edit Guardian Bot
+emoji: 🛡️
+colorFrom: blue
+colorTo: indigo
+sdk: docker
+pinned: false
+---
+
 # 🚨 Security & Edit Guardian Bot
 
 A state-of-the-art all-rounder Telegram security and moderation bot built with **Python (python-telegram-bot v13)**. It merges robust **Security Bot** bad-word/NSFW screening with **Edit Guardian** accountability, ensuring groups remain transparent, safe, and professional.