[rocketmq-connect] Synchronize data from Mysql to Redis

1. Please describe the feature you are requesting. Synchronize data from Mysql to Redis
2. Support multiple data structures
   1. string
   2. hash
3. Support field exclusion {"user":"1","userName":"laohu","userType":"one"} {"user":"1","userName":"laohu"}
4. combination key
   1. {userId}_{userType}
5. Multiple commands can be executed at one time

@githublaohu
rocketmq-connect already has an independent repository, you can go to this repository to submit PR, issue. https://github.com/apache/rocketmq-connect