chore: release 6.1.0

[mljs-bot]

🤖 I have created a release *beep* *boop*

6.1.0 (2020-11-13)

Features

• change factorWidth from 4 to 1 (3de56ae)
• update spectra-fitting package (#33) (e62e27b)

Bug Fixes

• fix docs for optimize (96ea711)
• improve speed by not predefining arrays length (e03737c)

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This PR was generated with Release Please.

[codecov]

Codecov Report

Merging #30 (e06b6a8) into master (e62e27b) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #30   +/-   ##
=======================================
  Coverage   98.34%   98.34%           
=======================================
  Files           4        4           
  Lines         303      303           
  Branches       93       93           
=======================================
  Hits          298      298           
  Misses          5        5           

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