Remove references to `BayesianTracker` in favour of `btrack`

[paddyroddy]

Fixes #203. We should make sure we really check this across all services.

As a minimum, we want to change the repo name and links. It would then also make sense to refer to btrack instead in the docs etc., but this isn't essential.

@quantumjot ultimately to merge when ready and change the repo name.

[deprecated-napari-hub-preview-bot[bot]]

Preview page for your plugin is ready here: https://preview.napari-hub.org/quantumjot/BayesianTracker/226 Updated: 2023-03-10T17:23:40.995332

[codecov-commenter]

Codecov Report

Patch coverage has no change and project coverage change: +0.12 :tada:

Comparison is base (ea0850b) 82.50% compared to head (16c5812) 82.63%.

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #226 +/- ## ========================================== + Coverage 82.50% 82.63% +0.12% ========================================== Files 19 19 Lines 1549 1549 Branches 269 269 ========================================== + Hits 1278 1280 +2 + Misses 194 193 -1 + Partials 77 76 -1 ``` | [Impacted Files](https://codecov.io/gh/quantumjot/BayesianTracker/pull/226?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Alan+R+Lowe) | Coverage Δ | | |---|---|---| | [btrack/btypes.py](https://codecov.io/gh/quantumjot/BayesianTracker/pull/226?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Alan+R+Lowe#diff-YnRyYWNrL2J0eXBlcy5weQ==) | `80.86% <ø> (ø)` | | | [btrack/optimise/hypothesis.py](https://codecov.io/gh/quantumjot/BayesianTracker/pull/226?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Alan+R+Lowe#diff-YnRyYWNrL29wdGltaXNlL2h5cG90aGVzaXMucHk=) | `100.00% <ø> (ø)` | | | [btrack/optimise/optimiser.py](https://codecov.io/gh/quantumjot/BayesianTracker/pull/226?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Alan+R+Lowe#diff-YnRyYWNrL29wdGltaXNlL29wdGltaXNlci5weQ==) | `79.06% <ø> (ø)` | | ... and [1 file with indirect coverage changes](https://codecov.io/gh/quantumjot/BayesianTracker/pull/226/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Alan+R+Lowe) Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Alan+R+Lowe). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Alan+R+Lowe)

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[paddyroddy]

Exciting!