Discussion: How to integrate and run the socket_handler

Currently the `socket_handler` is a separate process that is run manually and forwards the collection data from redis to murko based on a redis publish message. The code for this is in https://github.com/DiamondLightSource/mx_auto_mjpeg_capture/tree/main/socket_handler. However, under the current architecture the rest of the code in that repository is not used.

## Acceptance Criteria
* We discuss and decide where the `socket_handler` code should live and how it should be run in production

## Notes
* One possibility is just to convert it to a bluesky callback