#32 - Remove codex references in settings

[michael-82]

• replace/rename codex references with mii or just feasibility
• package names remain unchanged
• please be aware that feasibility-deploy must be adapted to these changes (see corresponding PR)

[codecov[bot]]

Codecov Report

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

Project coverage is 78.51%. Comparing base (60ed59f) to head (8a5ae75). Report is 1 commits behind head on develop.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #314 +/- ## ========================================== Coverage 78.51% 78.51% Complexity 547 547 ========================================== Files 135 135 Lines 2374 2374 Branches 143 143 ========================================== Hits 1864 1864 Misses 453 453 Partials 57 57 ```

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