Moves the code that was previously in packages/messaging/channels/example to packages/messaging/example because PnP and yarn 3 won't allow us to run code from random places anymore (needs to be it's own package to properly declare its dependencies and all)
The example code is used to develop the channels without having to start the messaging server. Needs to be moved to its own package otherwise yarn 3 complains that it doesn't declare its dependencies correctly
Moves the code that was previously in packages/messaging/channels/example to packages/messaging/example because PnP and yarn 3 won't allow us to run code from random places anymore (needs to be it's own package to properly declare its dependencies and all)
Closes DEV-2668