feat: initial VPS monitoring platform

- FastAPI backend with auth, server CRUD, metrics collection
- Web dashboard with dark theme, server cards, SSH terminal (xterm.js)
- Telegram bot with inline keyboards, server management, reboot
- Telegram Mini App for mobile monitoring
- Background monitoring via asyncssh (CPU, RAM, Disk, Network, Uptime)
- Alert system with configurable thresholds
- WebSocket SSH terminal in browser
- One-command install script
- Systemd service configuration

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

requirements.txt

@@ -0,0 +1,14 @@
+fastapi==0.115.0
+uvicorn[standard]==0.30.0
+python-multipart==0.0.9
+jinja2==3.1.4
+paramiko==3.4.0
+asyncssh==2.14.2
+websockets==12.0
+python-telegram-bot==21.5
+psutil==6.0.0
+aiohttp==3.10.0
+pydantic==2.9.0
+passlib[bcrypt]==1.7.4
+python-jose[cryptography]==3.3.0
+apscheduler==3.10.4