docs(results): describe audit's notApplicable/error (#4186)
docs(results): describe audit's notApplicable/error (#4186)


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