feat: rename search file to searcher

[gaius-qi]

Signed-off-by: Gaius gaius.qi@gmail.com

Description

• Rename search file to searcher

Related Issue

Motivation and Context

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation Update (if none of the other choices apply)

Checklist:

• Code compiles correctly.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov-commenter]

Codecov Report

Merging #484 (6aa5de6) into main (8c76ef4) will decrease coverage by 0.14%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #484      +/-   ##
==========================================
- Coverage   39.57%   39.43%   -0.15%     
==========================================
  Files          81       81              
  Lines        6284     6284              
==========================================
- Hits         2487     2478       -9     
- Misses       3438     3448      +10     
+ Partials      359      358       -1     

Flag	Coverage Δ
e2etests	∅ <ø> (∅)
unittests	39.43% <ø> (-0.15%)	⬇️

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

Impacted Files	Coverage Δ
manager/searcher/searcher.go	82.05% <ø> (ø)
client/daemon/peer/peertask_stream.go	54.77% <0.00%> (-2.21%)	⬇️
client/daemon/peer/peertask_base.go	32.23% <0.00%> (-0.71%)	⬇️

[244372610]

LGTM