Resolve "Documentation: utiliser mkdocs (avec l'extension mkdocs-material) plutôt que Sphinx"

docs/requirements.txt

@@ -1,7 +1,4 @@
-docutils==0.13.1
-Pygments==2.2.0
-sphinx==1.8.5
-Jinja2<3.1
-git+https://github.com/fabpot/sphinx-php.git@v2.0.2#egg_name=sphinx-php
-jsx-lexer===0.0.8
-sphinx_rtd_theme==0.5.0
+mkdocs>=1.5.3
+mkdocs-material>=9.4.0
+pymdown-extensions>=10.3.0
+mkdocs-autorefs>=0.5.0