* feat(assist): removed cache for solo-node assist mode
* feat(assist): try to fetch from global io object
* feat(assist): small changes
* feat(assist): added cache per request instead of cache per room
* feat(assist): fixed await call in global scope
* feat(assist): try to fix circular structure issue
* feat(assist): use preprocessor for sockets list
* feat(assist): check the theory about fetchSockets data set
* feat(assist): try to keep everything inside handshake.query object
* feat(backend): moved http metrics into assist handlers file
* fix(assist): use correct value for requests_duration metric
* feat(assist): removed unnecessary imports
* fix(assist): fixed typo in repond method
* fix(assist): added metrics.js to clean script
* feat(assist): try to save http method asap in server logic
* feat(assist): final version
* feat(assist): removed prom-client from peers and sourcemap-reader
* feat(sourcemap-reader): added missing package-lock.json
* feat(assist): splitted socket methods in ee/websockets
* feat(assist): splitted socket methods in ee/websockets-cluster
* feat(assist): moved socket handlers to separate file
* feat(assist): changed the way how to get ws server
* feat(assist): use method to get io server instead of global object
* feat(assist): removed duplicated code from ee assists
* feat(assist): removed copy-paste http handlers
* feat(assist): added getServer call for some http handlers
* feat(assist): added creds=true to cors settings
* feat(backend): added debug log flag to assist stats
