feat(cmd): allow tables to be output as json#465

rektdeckard merged 2 commits intomainlivekit/livekit-cli:mainfrom

tobias/dex-861-add-flag-to-output-tables-as-jsonlivekit/livekit-cli:tobias/dex-861-add-flag-to-output-tables-as-jsonCopy head branch name to clipboard