Update headless browser docs to mention playwright
Update headless browser docs to mention playwright

pablohoffman/scrapy,elacuesta/scrapy,pawelmhm/scrapy,scrapy/scrapy,pablohoffman/scrapy,pawelmhm/scrapy,pawelmhm/scrapy,scrapy/scrapy,elacuesta/scrapy,pablohoffman/scrapy,elacuesta/scrapy,scrapy/scrapy