Run only tg-userbot in Docker Compose.

Remove embedded n8n and qdrant services from compose and update README to match deployment with external n8n/qdrant and compose-based userbot operations.

Co-authored-by: Cursor <cursoragent@cursor.com>

docker-compose.yaml

@@ -1,33 +1,4 @@
-version: "3.8"
-
 services:
-  n8n:
-    image: n8nio/n8n:latest
-    container_name: dbbot-n8n
-    ports:
-      - "5678:5678"
-    environment:
-      - N8N_HOST=localhost
-      - N8N_PORT=5678
-      - N8N_PROTOCOL=http
-      - WEBHOOK_URL=http://localhost:5678/
-      - GENERIC_TIMEZONE=Europe/Moscow
-    volumes:
-      - ./n8n_data:/home/node/.n8n
-    depends_on:
-      - qdrant
-    restart: unless-stopped
-
-  qdrant:
-    image: qdrant/qdrant:latest
-    container_name: dbbot-qdrant
-    ports:
-      - "6333:6333"
-      - "6334:6334"
-    volumes:
-      - ./qdrant_data:/qdrant/storage
-    restart: unless-stopped
-
   tg-userbot:
     build: .
     container_name: dbbot-tg-userbot
@@ -35,6 +6,4 @@ services:
       - .env
     volumes:
       - ./session_data:/app/session
-    depends_on:
-      - n8n
     restart: unless-stopped