feat: Add admin management system with super admin controls

- Implemented two-level admin hierarchy (super admin from .env and assigned admins)
- Only super admins (from ADMIN_IDS in .env) can manage admin assignments
- Added admin management menu to settings (visible only for super admins)
- Admins can add/remove other admins through the bot interface
- Protected super admins from deletion
- Added CLI tool for admin management (scripts/manage_admins.py)
- Added database check script (scripts/check_db.py)
- Added deployment scripts for server setup
- Added comprehensive documentation on admin management system
- Added backup and server deployment guides

.gitignore

@@ -4,6 +4,8 @@
 .env.development.local
 .env.test.local
 .env.production.local
+.env.prod
+
 
 # База данных
 *.db