feat: enhanced Magnit scraper with streaming mode and retry logic

- Add streaming mode for memory-efficient large catalog scraping
- Implement retry logic with exponential backoff
- Add auto session reinitialization on 403 errors
- Add configurable options (pageSize, maxProducts, rateLimitDelay)
- Add maxIterations protection against infinite loops
- Add retry.ts utility module with withRetry and withRetryAndReinit
- Update .env.example with new scraping options
- Add pgAdmin and CloudBeaver to docker-compose

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

docker-compose.yml

@@ -19,6 +19,36 @@ services:
       timeout: 5s
       retries: 5
 
+  pgadmin:
+    image: dpage/pgadmin4:latest
+    container_name: supermarket-pgadmin
+    restart: unless-stopped
+    environment:
+      PGADMIN_DEFAULT_EMAIL: admin@admin.com
+      PGADMIN_DEFAULT_PASSWORD: admin
+      PGADMIN_CONFIG_SERVER_MODE: 'False'
+    ports:
+      - "5050:80"
+    volumes:
+      - pgadmin_data:/var/lib/pgadmin
+    depends_on:
+      postgres:
+        condition: service_healthy
+
+  cloudbeaver:
+    image: dbeaver/cloudbeaver:latest
+    container_name: supermarket-cloudbeaver
+    restart: unless-stopped
+    ports:
+      - "8978:8978"
+    volumes:
+      - cloudbeaver_data:/opt/cloudbeaver/workspace
+    depends_on:
+      postgres:
+        condition: service_healthy
+
 volumes:
   postgres_data:
+  pgadmin_data:
+  cloudbeaver_data: