feat: #22 lint by pmd

[sinkcup]

close #22

[codecov]

Codecov Report

Attention: Patch coverage is 74.19355% with 8 lines in your changes missing coverage. Please review.

Project coverage is 72.41%. Comparing base (b6d8e2b) to head (5ca57e4).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/LintCodeCommand.php	0.00%	6 Missing ⚠️
src/LintPhpcsCommand.php	91.66%	1 Missing ⚠️
src/LintPmdCommand.php	90.90%	1 Missing ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##               main      #30       +/-   ##
=============================================
+ Coverage     60.60%   72.41%   +11.80%     
- Complexity       22       26        +4     
=============================================
  Files             5        7        +2     
  Lines            66       87       +21     
=============================================
+ Hits             40       63       +23     
+ Misses           26       24        -2     

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