docs(readme): add explanation for Lighthouse Integrations section (#3418)
docs(readme): add explanation for Lighthouse Integrations section (#3418)


wardpeet/lighthouse,tkadlec/lighthouse,ev1stensberg/lighthouse,wardpeet/lighthouse,arturmiz/lighthouse,GoogleChrome/lighthouse,umaar/lighthouse,ev1stensberg/lighthouse,ev1stensberg/lighthouse,wardpeet/lighthouse,tkadlec/lighthouse,mixed/lighthouse,mixed/lighthouse,arturmiz/lighthouse,umaar/lighthouse,deepanjanroy/lighthouse,umaar/lighthouse,tkadlec/lighthouse,deepanjanroy/lighthouse,mixed/lighthouse,wardpeet/lighthouse,GoogleChrome/lighthouse,mixed/lighthouse,arturmiz/lighthouse,tkadlec/lighthouse,GoogleChrome/lighthouse,umaar/lighthouse,deepanjanroy/lighthouse,wardpeet/lighthouse,deepanjanroy/lighthouse,ev1stensberg/lighthouse,deepanjanroy/lighthouse,GoogleChrome/lighthouse,GoogleChrome/lighthouse,arturmiz/lighthouse,arturmiz/lighthouse