v2.5.0: add QR import and backup scheduling

gotelegram-bot/README.md

@@ -20,6 +20,7 @@ Production-quality Telegram bot for managing MTProxy (telemt engine) on Linux se
 
 - **Template Browsing** - Browse categories → templates → preview → install
 - **Per-user MTProxy Keys** - Manage telemt `[access.users]` from inline bot menus
+- **Per-user QR Import** - Show QR codes for every Telegram proxy key
 - **Local Web Admin** - Shows SSH tunnel instructions for the 127.0.0.1:1984 dashboard
 - **V1 Migration** - Detects old mtg Docker container and offers migration
 - **Access Control** - ALLOWED_IDS from .env
@@ -96,6 +97,7 @@ WantedBy=multi-user.target
 - `TELEMT_SERVICE` - `telemt` (systemd service name)
 - `WEBSITE_ROOT` - `/var/www/gotelegram-site`
 - `BACKUP_DIR` - `/opt/gotelegram/backups`
+- `BACKUP_SCHEDULE_FILE` - `/opt/gotelegram/backup_schedule.json`
 - `TEMPLATES_CATALOG` - `/opt/gotelegram/templates_catalog.json`
 
 ## Architecture
@@ -114,6 +116,7 @@ Organized by feature:
 - Installation (quick/stealth modes)
 - Status monitoring
 - Backup/restore
+- Backup schedules: off, daily, weekly, monthly
 - SSL management
 - Updates
 - Removal