[EDU-2105] - Render both auth examples in examples page#2920

GregHolmes merged 3 commits intomainably/docs:mainfrom

EDU-2105-Update-JWT-and-token-auth-examples-to-use-Ably-demo-endpointably/docs:EDU-2105-Update-JWT-and-token-auth-examples-to-use-Ably-demo-endpointCopy head branch name to clipboard