Allow YouTube video demo links to be added to appropriate pgAdmin documentation. #5563

docs/en_US/conf.py

@@ -36,7 +36,7 @@ import config
 
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
-extensions = []
+extensions = ["sphinxcontrib.youtube"]
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']