Update Sphinx config

docs/conf.py

@@ -32,6 +32,7 @@
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
 extensions = [
+  'sphinx_rtd_theme'
 ]
 
 # Add any paths that contain templates here, relative to this directory.
@@ -58,7 +59,7 @@
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
-html_static_path = ['_static']
+# html_static_path = ['_static']
 
 master_doc = 'index'