feat: support file server

[Yisaer]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 7 lines in your changes missing coverage. Please review.

Project coverage is 71.17%. Comparing base (0f36acb) to head (a7d81bd).
Report is 3 commits behind head on master.

Files with missing lines	Patch %	Lines
internal/server/rest.go	0.00%	6 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3375      +/-   ##
==========================================
+ Coverage   71.13%   71.17%   +0.04%     
==========================================
  Files         403      403              
  Lines       45810    45829      +19     
==========================================
+ Hits        32583    32616      +33     
+ Misses      10666    10657       -9     
+ Partials     2561     2556       -5     

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