Add rsync & sphinx-autobuild docs (#1391)

docs/source/conf.py

@@ -35,6 +35,7 @@ extensions = [
     "sphinxext.opengraph",
     "sphinxcontrib.ghcontributors",
     "sphinx_design",
+    "myst_parser",
 ]
 
 # Configure OpenGraph support
@@ -71,6 +72,8 @@ html_favicon = "assets/RoundLogo.png"
 # so a file named "default.css" will overwrite the builtin "default.css".
 html_static_path = ["_static"]
 
+source_suffix = [".rst", ".md"]
+
 
 def setup(app):
     app.add_css_file("css/pv-icons.css")