fix: support maxSize set null and deal with ENOENT error issue when rotated in pm2 cluster mode

[joyexpr]

1、支持maxSize设置为null，即不开启按大小轮转 2、防止pm2开启多实例时，当日志轮转并被压缩时，原日志文件被删除后，导致部分实例stat原日志文件抛出异常 3、按标准prettier部分代码格式

[codecov-commenter]

Codecov Report

Merging #68 (c7df4bc) into main (d2977ce) will decrease coverage by 0.15%. The diff coverage is 83.33%.

@@            Coverage Diff             @@
##             main      #68      +/-   ##
==========================================
- Coverage   84.79%   84.64%   -0.16%     
==========================================
  Files          13       13              
  Lines         921      925       +4     
  Branches      276      271       -5     
==========================================
+ Hits          781      783       +2     
- Misses        128      130       +2     
  Partials       12       12              

Impacted Files	Coverage Δ
src/transport/fileStreamRotator.ts	83.93% <80.00%> (-0.07%)	:arrow_down:
src/logger/logger.ts	95.16% <87.50%> (-0.51%)	:arrow_down:

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