feat: parse eyelink mount config and pupil data type

[theDebbister]

Description

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Please also include excepted improvements, relevant motivation and context.
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Fixes issue #510

Implemented changes

Insert a description of the changes implemented in the pull request.

• added parsing of mount configuration
• added parsing of pupil data type
• more tests for data loss ratio calculation

Type of change

• 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 not work as expected)
• This change is or requires a documentation update

How Has This Been Tested?

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• unit tests

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules
• I have checked my code and corrected any misspellings

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (89ff50f) to head (3dc52b1).

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #725   +/-   ##
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  Coverage   100.00%   100.00%           
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  Files           60        60           
  Lines         2806      2813    +7     
  Branches       712       714    +2     
=========================================
+ Hits          2806      2813    +7     

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[dkrako]

Great! Thanks a lot for!

I just changed two small details in the code:

• shorten head_stabilization field from remote (target sticker)to just remote
• cast onset, offset and duration of blinks to integers