moving from ws socket to redis pubsub

[code-ga]

moving from WS socket ( now protocol to communicate between servers) to Redis pub-sub

• [x] user service
• [x] comic service
• [x] cdn service
• [x] like service
• [x] remove socket service
• [ ] #41

we will add the register event to the old sender

[code-ga]

done with Redis connect ( no error when connecting to Redis server )