Minor markdown fixes on realtime-webtask-logs doc (#1359)
Minor markdown fixes on realtime-webtask-logs doc (#1359)

* Add clarification for papertrail_system param

* Fix broken image link and update image

* Remove panel for extension availability

* Minor markdown fixes

sandrinodimattia/docs,jeffreylees/docs,Catografix/docs,Annyv2/docs,jeffreylees/docs,khorne3/docs,auth0/docs,Annyv2/docs,sandrinodimattia/docs,sandrinodimattia/docs,Catografix/docs,hamzawi06/docs,yvonnewilson/docs,yvonnewilson/docs,yvonnewilson/docs,jeffreylees/docs,auth0/docs,hamzawi06/docs,Catografix/docs,khorne3/docs,hamzawi06/docs,auth0/docs,Annyv2/docs,khorne3/docs