New version: UnfoldBIDS v0.2.0

[JuliaRegistrator]

• Registering package: UnfoldBIDS
• Repository: https://github.com/unfoldtoolbox/UnfoldBIDS.jl
• Created by: @ReneSkukies
• Version: v0.2.0
• Commit: 6f6a5a8f1fd34032690a3c41b124e650f9095f00
• Reviewed by: @ReneSkukies
• Reference: JuliaRegistrator Issue unfoldtoolbox/UnfoldBIDS.jl#75 (comment)
• Release notes:

## Major changes
Now allows for savin/ loading Unfold models from resulting DataFrame with:
save_results( )
load_results( ) 

## Minor changes
- better docstrings for all functions
- bugfix where multiple files from brainvision were detected

[github-actions]

Your new version pull request met all of the guidelines for auto-merging and is scheduled to be merged in the next round.

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