* feat(backend): redshift connector draft
* fix(backend): fixed memory leak, empty string ddos
* feat(backend): draft for sessions part
* feat(backend): session handler
* fix(backend): fixed wrong columns list in sessionToCSV convertor
* feat(backend): load session info from db/cache if there is nothing in memory when sessionEnd event recieved
* feat(backend): added filters for connector
* feat(backend): memory leak fix + extra cache for sessions
* feat(backend): moved table names as an env variable
* fix(backend): added timeout for last session messages to avoid memory leak
* fix(backend): fixed last memory leak
* feat(backend): moved redshift connector to ee folder
