Add missing __init__.py files

[niksirbi]

Description

What is this PR

• [x] Bug fix
• [ ] Addition of a new feature
• [ ] Other

Why is this PR needed? PR #204 made me realise that some of our sub-packages, namely movement.analysis and movement.utils, were missing __init__.py files.

What does this PR do?

Adds the missing __init__.py as empty files.

References

None.

How has this PR been tested?

All existing tests still pass.

Is this a breaking change?

No.

Does this PR require an update to the documentation?

No.

Checklist:

• [x] The code has been tested locally
• [ ] Tests have been added to cover all new functionality
• [ ] The documentation has been updated to reflect any changes
• [x] The code has been formatted with pre-commit

[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
No data about Duplication

See analysis details on SonarCloud

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 99.68%. Comparing base (0114b91) to head (8f1a315).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #215 +/- ## ======================================= Coverage 99.68% 99.68% ======================================= Files 12 12 Lines 643 643 ======================================= Hits 641 641 Misses 2 2 ```

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