log(BREAKING!): replace tableau logger with an interface which zap.SugaredLogger implements

[Kybxd]

❗BREAKING CHANGE

• The default logger of tableau is an interface now, instead of a struct. Users can call SetLogger to set it to any logger if they want.
• Unnecessary methods are removed, including Mode, Level, SetDriver. <Log> and <Log>w methods are also removed since they are not used. Only <Log>f methods are left.

Compatibility resolution

• Nothing to do if you use tableau executable file
• You can use log.SetLogger to customize tableau logs if you imports tableau package in your project, otherwise tableau outputs no logs.

[codecov]

Codecov Report

❌ Patch coverage is 66.66667% with 5 lines in your changes missing coverage. Please review.
✅ Project coverage is 76.44%. Comparing base (1da426f) to head (a64463a).
⚠️ Report is 7 commits behind head on master.

Files with missing lines	Patch %	Lines
internal/importer/excel.go	33.33%	1 Missing and 1 partial ⚠️
log/driver/zapdriver/logger.go	33.33%	2 Missing ⚠️
cmd/tableauc/main.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #347      +/-   ##
==========================================
+ Coverage   75.12%   76.44%   +1.32%     
==========================================
  Files          85       79       -6     
  Lines        8571     8233     -338     
==========================================
- Hits         6439     6294     -145     
+ Misses       1565     1396     -169     
+ Partials      567      543      -24     

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