Changed port and added "using with firecrawl" section on readme

apps/playwright-service-ts/README.md

@@ -13,6 +13,7 @@ This is a simple web scraping service built with Express and Playwright.
 ## Install
 ```bash
 npm install
+npx playwright install
 ```
 
 ## RUN
@@ -39,4 +40,8 @@ curl -X POST http://localhost:3000/scrape \
   },
   "check_selector": "#content"
 }'
-```
+```
+
+## USING WITH FIRECRAWL
+
+Add `PLAYWRIGHT_MICROSERVICE_URL=http://localhost:3003/scrape` to `/apps/api/.env` to configure the API to use this Playwright microservice for scraping operations.