docs: improve docs workflow

[Lucino772]

Description

This PR improves the documentation workflow by using sphinx-autobuild. It also adds a custom workflow to deploy the documentation to Github Pages instead of ReadTheDocs.

Type of change

• 📃 Documentation (Documentation only changes)

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code

[codecov]

Codecov Report

Base: 67.92% // Head: 67.92% // No change to project coverage 👍

Coverage data is based on head (889e45c) compared to base (5e3fde1).
Patch has no changes to coverable lines.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #50   +/-   ##
=======================================
  Coverage   67.92%   67.92%           
=======================================
  Files          27       27           
  Lines         901      901           
  Branches       83       83           
=======================================
  Hits          612      612           
  Misses        269      269           
  Partials       20       20           

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