feat: support customized logger for Boomer, Output and runner

[zezhehh]

The new feature is totally backwards compatible, while it allows user to customize the logger for Boomer, Output and runner.

Added:

• func (b *Boomer) WithLogger(logger *log.Logger) *Boomer
• func (o *XxxOutput) WithLogger(logger *log.Logger) *XxxOutput

[myzhan]

Please make sure the tests are passed.

[zezhehh]

Please make sure the tests are passed.

@myzhan Could you approve the workflow again? Local tests work now with default loggers added.

[codecov-commenter]

Codecov Report

Merging #194 (0ca5b34) into master (f08c0e5) will increase coverage by 0.67%.
The diff coverage is 81.03%.

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@@            Coverage Diff             @@
##           master     #194      +/-   ##
==========================================
+ Coverage   80.60%   81.28%   +0.67%     
==========================================
  Files          10       10              
  Lines        1542     1576      +34     
==========================================
+ Hits         1243     1281      +38     
+ Misses        248      244       -4     
  Partials       51       51              

Flag	Coverage Δ
unittests	81.28% <81.03%> (+0.67%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
boomer.go	79.47% <86.95%> (+1.88%)	⬆️
output.go	60.00% <80.00%> (+4.68%)	⬆️
runner.go	82.85% <73.33%> (+0.24%)	⬆️

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[zezhehh]

hmmmm, I have no idea why the windows one failed, but I can add tests for WithLogger, which probably increases the coverage. Should I?

[myzhan]

hmmmm, I have no idea why the windows one failed, but I can add tests for WithLogger, which probably increases the coverage. Should I?

I think the windows machine make some time-sensitive testcases flaky, your changes are not related. Yes, you can add testcases for WithLogger.

[zezhehh]

hmmmm, I have no idea why the windows one failed, but I can add tests for WithLogger, which probably increases the coverage. Should I?

I think the windows machine make some time-sensitive testcases flaky, your changes are not related. Yes, you can add testcases for WithLogger.

@myzhan Hopefully it's green for Codecov this time.

[zezhehh]

Let's go ahead and merge it! If it works for you @myzhan :D

[myzhan]

Done, thx.