Support Kv Snapshot consumer

[swuferhong]

Search before asking

• I searched in the issues and found nothing similar.

Motivation

Support Kv Snapshot consumer, the FIP is: https://cwiki.apache.org/confluence/display/FLUSS/FIP-22+Support+Kv+Snapshot+Consumer

Solution

The design: https://cwiki.apache.org/confluence/display/FLUSS/FIP-22+Support+Kv+Snapshot+Consumer

Anything else?

No response

Willingness to contribute

• I'm willing to submit a PR!