add exportMessage and importMessage command for easy edit file

[carlvine500]

Is Your Feature Request Related to a Problem?

1. migrate message across env: we switch our system from aws to aliyun , some message still not consumed in aws , we should migrate message from aws to aliyun .
2. fix some wrong message: after deploy some bug , the message format is not correct , we can export message --> modify message --> import messasge
3. search message body in lots of message: after export message with json/text format , we could easily search some keywords

Describe the Solution You'd Like

add exportMessage and importMessage command

Describe Alternatives You've Considered

add exportMessage and importMessage command

Additional Context

No response