optimize: add the change records folder

[funky-eyes]

Ⅰ. Describe what this PR did

add a change log file for the merge and author information record of each pr

Ⅱ. Does this pull request fix one issue?

Ⅲ. Why don't you add test cases (unit test/integration test)?

Ⅳ. Describe how to verify it

Ⅴ. Special notes for reviews

[codecov-io]

Codecov Report

Merging #3397 (8a7fe7d) into develop (2bd39c9) will decrease coverage by 0.11%.
The diff coverage is n/a.

@@              Coverage Diff              @@
##             develop    #3397      +/-   ##
=============================================
- Coverage      51.57%   51.46%   -0.12%     
  Complexity      3332     3332              
=============================================
  Files            616      616              
  Lines          20198    20172      -26     
  Branches        2531     2484      -47     
=============================================
- Hits           10418    10382      -36     
+ Misses          8737     8726      -11     
- Partials        1043     1064      +21     

Impacted Files	Coverage Δ	Complexity Δ
...obuf/convertor/BranchRegisterRequestConvertor.java	90.47% <0.00%> (-9.53%)	3.00% <0.00%> (ø%)
...otobuf/convertor/BranchReportRequestConvertor.java	90.90% <0.00%> (-9.10%)	3.00% <0.00%> (ø%)
...obuf/convertor/BranchRollbackRequestConvertor.java	92.00% <0.00%> (-8.00%)	3.00% <0.00%> (ø%)
...otobuf/convertor/GlobalBeginResponseConvertor.java	92.59% <0.00%> (-7.41%)	3.00% <0.00%> (ø%)
...otobuf/convertor/GlobalCommitRequestConvertor.java	93.75% <0.00%> (-6.25%)	3.00% <0.00%> (ø%)
...otobuf/convertor/GlobalStatusRequestConvertor.java	93.75% <0.00%> (-6.25%)	3.00% <0.00%> (ø%)
...obuf/convertor/GlobalRollbackRequestConvertor.java	93.75% <0.00%> (-6.25%)	3.00% <0.00%> (ø%)
...protobuf/convertor/RegisterTMRequestConvertor.java	94.73% <0.00%> (-5.27%)	3.00% <0.00%> (ø%)
...protobuf/convertor/RegisterRMRequestConvertor.java	90.47% <0.00%> (-4.77%)	3.00% <0.00%> (ø%)
...tobuf/convertor/BranchReportResponseConvertor.java	95.45% <0.00%> (-4.55%)	3.00% <0.00%> (ø%)
... and 26 more

[caohdgege]

LGTM

[l81893521]

LGTM

[slievrly]

LGTM