feat: add Telegram bot for manual trade commands

- Added telegram_command_bot.py with slash commands (/buySOL, /sellBTC, etc)
- Docker compose setup with DNS configuration
- Sends trades as plain text to n8n webhook (same format as TradingView)
- Improved Telegram success message formatting
- Only responds to authorized chat ID (579304651)
- Commands: /buySOL, /sellSOL, /buyBTC, /sellBTC, /buyETH, /sellETH

docker-compose.telegram-bot.yml

@@ -0,0 +1,22 @@
+version: '3.3'
+
+services:
+  telegram-trade-bot:
+    build:
+      context: .
+      dockerfile: Dockerfile.telegram-bot
+    container_name: telegram-trade-bot
+    restart: unless-stopped
+    dns:
+      - 8.8.8.8
+      - 8.8.4.4
+    environment:
+      - TELEGRAM_BOT_TOKEN=${TELEGRAM_BOT_TOKEN}
+      - N8N_WEBHOOK_URL=${N8N_WEBHOOK_URL}
+      - TELEGRAM_CHAT_ID=579304651
+    networks:
+      - traderv4_trading-net
+
+networks:
+  traderv4_trading-net:
+    external: true