docs: add jesperorb as a contributor for code

[allcontributors]

Add @jesperorb as a contributor for code.

This was requested by ph-fritsche in this comment

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[codecov]

Codecov Report

Merging #740 (91997c9) into main (26b7d0b) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##              main      #740   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           50        50           
  Lines          958       958           
  Branches       385       385           
=========================================
  Hits           958       958           

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[github-actions]

🎉 This PR is included in version 13.4.0 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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