Add support for nested source files

[caendesilva]

No description provided.

[caendesilva]

First, the documentation sidebar needs to be refactored to use the routing system. And possibly also extend/utilize the navigation menu service.

Edit: Done

[codecov]

Codecov Report

Merging #285 (5dafbc0) into master (2287419) will not change coverage.
The diff coverage is 100.00%.

@@             Coverage Diff             @@
##              master      #285   +/-   ##
===========================================
  Coverage     100.00%   100.00%           
- Complexity       800       811   +11     
===========================================
  Files             97        97           
  Lines           2002      2029   +27     
===========================================
+ Hits            2002      2029   +27     

Impacted Files	Coverage Δ
...framework/src/Actions/CreatesNewPageSourceFile.php	100.00% <100.00%> (ø)
...kages/framework/src/Concerns/CanBeInNavigation.php	100.00% <100.00%> (ø)
...s/framework/src/Models/Pages/DocumentationPage.php	100.00% <100.00%> (ø)
...ork/src/Models/Parsers/DocumentationPageParser.php	100.00% <100.00%> (ø)
packages/framework/src/Models/Route.php	100.00% <100.00%> (ø)
...kages/framework/src/Services/CollectionService.php	100.00% <100.00%> (ø)
packages/framework/src/Services/SitemapService.php	100.00% <100.00%> (ø)
packages/framework/src/StaticPageBuilder.php	100.00% <100.00%> (ø)

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