THis commit updates when needed the values of raw tokens and semenatic tokens for opacity. It brings also unit tests for theme overriding and raw tokens relationships.

Note: Please transform - [ ] into - (NA) in the description when things are not applicable

Related issues

29

Description

Update raw and semantic tokens for opacity

Motivation & Context

See #29

Types of change

New feature (non-breaking change which adds functionality)

Previews

Checklist

Contribution

[x] I have read the contributing guidelines

Accessibility

(NA) My change follows accessibility good practices

Design

(NA) My change respects the design guidelines of Orange Unified Design System

Development

[x] My change follows the developer guide
[x] I have added unit tests to cover my changes (optional)

Documentation

[x] My change introduces changes to the documentation and/or I have updated the documentation accordingly

Checklist (for Core Team only)

(NA) The evolution have been tested and the project builds for iPhones and iPads
[x] Code review has been done by reviewers according to CODEOWNERS file
(NA) Design review has been done
(NA) Accessibiltiy review has been done
(NA) Q/A team has tested the evolution
[x] Documentation has been updated if relevant
(NA) Internal files have been updated if relevant (like CONTRIBUTING, DEVELOP, THIRD_PARTY, CONTRIBUTORS, NOTICE)
[x] CHANGELOG has been updated respecting keep a changelog rules and reference the issues

Orange-OpenSource / ouds-ios

[#29] Add raw tokens and semantic tokens for opacity #61