refacto(material_integrations): use POO to manage integrations with Material theme framework

[Guts]

Related to #250

[codecov]

Codecov Report

Attention: Patch coverage is 72.83951% with 22 lines in your changes missing coverage. Please review.

Project coverage is 79.91%. Comparing base (c2ff32c) to head (c36dd95).
Report is 6 commits behind head on main.

Files with missing lines	Patch %	Lines
..._plugin/integrations/theme_material_blog_plugin.py	71.05%	8 Missing and 3 partials ⚠️
...ocs_rss_plugin/integrations/theme_material_base.py	81.81%	5 Missing and 1 partial ⚠️
...lugin/integrations/theme_material_social_plugin.py	50.00%	2 Missing and 3 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #335      +/-   ##
==========================================
+ Coverage   79.57%   79.91%   +0.33%     
==========================================
  Files           9       11       +2     
  Lines         666      707      +41     
  Branches      117      121       +4     
==========================================
+ Hits          530      565      +35     
- Misses         94       99       +5     
- Partials       42       43       +1     

Flag	Coverage Δ
unittests	79.91% <72.83%> (+0.33%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
...lugin/integrations/theme_material_social_plugin.py	74.59% <50.00%> (+2.22%)	⬆️
...ocs_rss_plugin/integrations/theme_material_base.py	81.81% <81.81%> (ø)
..._plugin/integrations/theme_material_blog_plugin.py	71.05% <71.05%> (ø)

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarQube Cloud