Add support for plain HTML pages

[caendesilva]

No description provided.

[codecov]

Codecov Report

Merging #519 (895a4c4) into master (a41b980) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##             master     #519   +/-   ##
=========================================
  Coverage     99.57%   99.57%           
- Complexity      947      954    +7     
=========================================
  Files           111      112    +1     
  Lines          2350     2365   +15     
=========================================
+ Hits           2340     2355   +15     
  Misses           10       10           

Impacted Files	Coverage Δ
...ackages/framework/src/Actions/SourceFileParser.php	100.00% <100.00%> (ø)
...ckages/framework/src/Foundation/FileCollection.php	100.00% <100.00%> (ø)
...ckages/framework/src/Foundation/PageCollection.php	100.00% <100.00%> (ø)
packages/framework/src/Helpers/Features.php	100.00% <100.00%> (ø)
packages/framework/src/Models/Pages/HtmlPage.php	100.00% <100.00%> (ø)

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