feat: parse eyelink metadata

Description

partially fixes issue #510

Implemented changes

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

[x] additionally parses resolution
[x] parses all validations and calibrations including the result overview
[x] new method to pre process the metadata (mainly converting types for now)

Type of change

[ ] Bug fix (non-breaking change which fixes an issue)
[x] 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?

unit tests have been extend, but especially for the calibration and validation parsing more cases need to be added based on acutal data files in order to cover all cases

Checklist:

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

aeye-lab / pymovements

feat: parse eyelink metadata #702

Description

Implemented changes

Type of change

How Has This Been Tested?

Checklist:

Codecov Report