Add ann search

[junjiejiangjjj]

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[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: junjiejiangjjj

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[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.01 🎉

Comparison is base (bf02e4c) 75.76% compared to head (f1d79ea) 75.77%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2618      +/-   ##
==========================================
+ Coverage   75.76%   75.77%   +0.01%     
==========================================
  Files         394      395       +1     
  Lines       20644    20654      +10     
  Branches     2754     2754              
==========================================
+ Hits        15640    15650      +10     
  Misses       4116     4116              
  Partials      888      888              

Impacted Files	Coverage Δ
towhee/runtime/hub_ops/ann_insert.py	100.00% <ø> (ø)
towhee/runtime/hub_ops/ann_search.py	100.00% <100.00%> (ø)
towhee/runtime/hub_ops/operator_parser.py	100.00% <100.00%> (ø)

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[Chiiizzzy]

/lgtm