feat: wiki subject batch edit episodes api

[Contextualist]

夹带了点相关API的小修小补

[codecov]

Codecov Report

Attention: Patch coverage is 86.66667% with 34 lines in your changes missing coverage. Please review.

Project coverage is 76.72%. Comparing base (589b423) to head (bb1e2cb).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
routes/private/routes/wiki/subject/index.ts	90.36%	15 Missing and 1 partial ⚠️
routes/private/routes/wiki/subject/ep.ts	61.53%	10 Missing ⚠️
lib/utils/index.ts	58.33%	5 Missing ⚠️
lib/utils/date.ts	57.14%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #942      +/-   ##
==========================================
+ Coverage   76.38%   76.72%   +0.34%     
==========================================
  Files         140      140              
  Lines       16764    16923     +159     
  Branches      923      973      +50     
==========================================
+ Hits        12805    12985     +180     
+ Misses       3949     3927      -22     
- Partials       10       11       +1     

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