Improve usage of <ApolloProvider client={client}> in Get Started docs (#7821)
Improve usage of <ApolloProvider client={client}> in Get Started docs (#7821)

Co-authored-by: Ben Newman <73675debcd8a436be48ec22211dcf44fe0df0a64@apollographql.com>
apollographql/apollo-client,apollographql/apollo-client