This close #2146, support setting excel custom properties

[mengpromax]

Change-Id: I4a524b494f09fbfca321d515b5029f4f7361311f

PR Details

support setting excel custom properties (actual file in DocProps/custom.xml) to save some biz info like biz version for further uses.

Description

1. when CreateFile, add custom.xml and save it in .refs by default.
2. SetCustomProperty can set custom property k:v in custom.xml.

Related Issue

#2146

Motivation and Context

I have a requirement that save some biz k:v data in the generated excel file, before i implent it my program wrote a hidden excel to save some such data.

How Has This Been Tested

• UT test for custom properties setter and getter
• Open the generated excel file on my WPS program to check if the custom properties was written

Types of changes

• Docs change / refactoring / dependency upgrade
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.23%. Comparing base (9fe3a92) to head (9f8f3ab).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff            @@
##           master    #2147    +/-   ##
========================================
  Coverage   99.23%   99.23%            
========================================
  Files          32       32            
  Lines       30276    30378   +102     
========================================
+ Hits        30045    30147   +102     
  Misses        153      153            
  Partials       78       78            

Flag	Coverage Δ
unittests	99.23% <100.00%> (+<0.01%)	⬆️

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[xuri]

Thanks for your PR. I've left some comments.

[mengpromax]

@xuri hi xuri, i have solved the comments, please take a look again.
I have implemented flaot, datetime, bool and string four custom properties types.

[mengpromax]

@xuri something else should i do before merging this to base?

[xuri]

No action required, this PR has a lot of code, I need some time to review.

[xuri]

Thanks for your contribution. I've made some modification based on your branch.