feat: [IOAPPX-453] Add the new static Appearance profile screen

[dmnplb]

Warning

At the moment the added screen is completely static, with no logic attached.

Short description

This PR adds the new Appearance screen in the Preferences page (under Settings)

List of changes proposed in this pull request

• Add the new screen with relative routes
• Add a teaser for the future dark mode release

Preview

Note

The new icons are visible only in the related PR

appearance-screen-last-iteration.mp4

How to test

Go to Settings → Preferences → Appearance

[github-actions]

Jira Pull Request Link

This Pull Request refers to Jira issues:

• IOAPPX-453

[codecov]

Codecov Report

Attention: Patch coverage is 12.50000% with 7 lines in your changes missing coverage. Please review.

Project coverage is 49.83%. Comparing base (dad09b8) to head (8272231).

Files with missing lines	Patch %	Lines
ts/screens/profile/AppearancePreferenceScreen.tsx	16.66%	5 Missing ⚠️
ts/screens/profile/PreferencesScreen.tsx	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #6573      +/-   ##
==========================================
+ Coverage   43.18%   49.83%   +6.65%     
==========================================
  Files        1402     1545     +143     
  Lines       29618    32169    +2551     
  Branches     6679     7238     +559     
==========================================
+ Hits        12791    16032    +3241     
+ Misses      16798    16099     -699     
- Partials       29       38       +9     

Files with missing lines	Coverage Δ
ts/navigation/ProfileNavigator.tsx	66.66% <ø> (ø)
ts/navigation/routes.ts	100.00% <ø> (ø)
ts/screens/profile/PreferencesScreen.tsx	6.45% <0.00%> (-0.45%)	⬇️
ts/screens/profile/AppearancePreferenceScreen.tsx	16.66% <16.66%> (ø)

... and 362 files with indirect coverage changes

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