napari widget for loading and visualising pose tracks

[niksirbi]

This was my first attempt at implementing a basic napari widget for loading and interactively visualising pose tracking data into napari. At some point I realised that it was all getting too complex for one pull request, so I'm shifting strategy.

We decided to proceed as following:

• Make a napari-dev branch to act as a temporary "main" branch for the development of the napari plugin + widget
• Break down the content of this PR into smaller, more manageable chunks and open them as individual PRs against napari-dev.

Once this process is well underway, and napari-dev catches up with what's here, I'll close this PR and delete the napari-pose-reader branch.

[codecov]

Codecov Report

Attention: Patch coverage is 78.45304% with 39 lines in your changes are missing coverage. Please review.

Project coverage is 94.16%. Comparing base (065755d) to head (26738d3).

❗ Current head 26738d3 differs from pull request most recent head f438744. Consider uploading reports for the commit f438744 to get more accurate results

Files	Patch %	Lines
movement/napari/loader_widget.py	60.27%	29 Missing ⚠️
movement/napari/layer_styles.py	80.39%	10 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #112      +/-   ##
==========================================
- Coverage   99.67%   94.16%   -5.52%     
==========================================
  Files          10       14       +4     
  Lines         619      737     +118     
==========================================
+ Hits          617      694      +77     
- Misses          2       43      +41     

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[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud