feat: online to offline sync tool

[vagetablechicken]

usage see doc docs/zh/deploy/online_offline_sync.md

[codecov]

Codecov Report

Patch coverage: 54.23% and project coverage change: +39.61 🎉

Comparison is base (73cd33a) 35.97% compared to head (58db503) 75.59%.

Additional details and impacted files

@@              Coverage Diff              @@
##               main    #3256       +/-   ##
=============================================
+ Coverage     35.97%   75.59%   +39.61%     
  Complexity      393      393               
=============================================
  Files           169      681      +512     
  Lines          9993   125739   +115746     
  Branches       1147     1147               
=============================================
+ Hits           3595    95052    +91457     
- Misses         6162    30451    +24289     
  Partials        236      236               

Impacted Files	Coverage Δ
...n/java/com/_4paradigm/openmldb/jdbc/Statement.java	27.90% <ø> (ø)
src/replica/log_replicator.h	100.00% <ø> (ø)
src/rpc/rpc_client.h	72.04% <0.00%> (ø)
src/base/file_util.h	79.63% <25.00%> (ø)
src/tablet/tablet_impl.cc	63.74% <63.04%> (ø)
src/storage/snapshot.h	100.00% <100.00%> (ø)

... and 507 files with indirect coverage changes

☔ View full report in Codecov by Sentry.
📢 Do you have feedback about the report comment? Let us know in this issue.