[18.0][ADD] web_theme_color: add new module

[WesleyOliveira98]

@Escodoo HT02096

cc: @marcelsavegnago @CristianoMafraJunior @kaynnan

[codecov]

Codecov Report

❌ Patch coverage is 76.36364% with 13 lines in your changes missing coverage. Please review.
✅ Project coverage is 81.31%. Comparing base (77dbd56) to head (2be805b).

Files with missing lines	Patch %	Lines
web_theme_color/models/ir_config_parameter.py	61.90%	7 Missing and 1 partial ⚠️
web_theme_color/models/web_theme_color.py	83.87%	3 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             18.0       #7      +/-   ##
==========================================
- Coverage   82.40%   81.31%   -1.09%     
==========================================
  Files          13       17       +4     
  Lines         250      305      +55     
  Branches       26       30       +4     
==========================================
+ Hits          206      248      +42     
- Misses         35       45      +10     
- Partials        9       12       +3     

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.