Add Nonius Kappa CCD format module

[jamesrhester]

This pull request adds support for Nonius Kappa CCD diffractometers, which are still actively used in a number of labs.

It has been tested against:

1. Fampridine phase 1 raw dataset
2. Na2WO4.2H2O dataset

These datasets are from different labs, and consist of multiple scans with different settings for kappa, so they are able to diagnose errors in goniometer geometry. In both cases DIALS successfully indexed around 90% of spots and refined a good crystal unit cell using data from all scans. Merging looked OK.

I have chosen to include polarisation for a single-bounce imperfect monochromator. I suspect addition of phosphor thickness and absorption would improve the merge results but I don't have access to this information.

[codecov]

Codecov Report

Attention: Patch coverage is 21.73913% with 108 lines in your changes missing coverage. Please review.

Project coverage is 41.59%. Comparing base (e8c2c92) to head (f6e0271).
Report is 9 commits behind head on main.

Additional details and impacted files

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  Branches     3233     3264      +31     
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- Misses       9179     9283     +104     
- Partials      650      654       +4     

[phyy-nx]

Looks good to me.

A stretch goal could be to add one of these zenodo links to dials.data and a test to dxtbx/tests/format that uses it, but I don't think that's a blocker to this.