hotfix: Moving average docs 수정 및 관리자 code owner 추가

[kyunghwan-onepredict]

Summary

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• moving average example의 불필요한 개행 삭제

  before

  

after

• code owner에 관리자 두명 추가

Changes

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How to Test?

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Checklist

• [ ] Do you pass all the tests?
• [ ] Do you write the changes on document such as README?

[codecov-commenter]

Codecov Report

Merging #104 (ae5df66) into main (70a5a33) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #104   +/-   ##
=======================================
  Coverage   81.07%   81.07%           
=======================================
  Files          24       24           
  Lines         560      560           
=======================================
  Hits          454      454           
  Misses        106      106           

Flag	Coverage Δ
unittests	81.07% <ø> (ø)

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

Impacted Files	Coverage Δ
onebone/signal/smoothing.py	75.00% <ø> (ø)

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