Updated docs

docs/conf.py

@@ -22,7 +22,8 @@ extensions = [
     'sphinx.ext.autodoc',
     'sphinx.ext.viewcode',
     'sphinx.ext.todo',
-    'sphinx.ext.coverage'
+    'sphinx.ext.coverage',
+    'sphinxcontrib.openapi'
 ]
 
 templates_path = ['_templates']
@@ -35,5 +36,5 @@ add_module_names = False
 # -- Options for HTML output -------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#options-for-html-output
 
-html_theme = 'alabaster'
+html_theme = 'sphinx_rtd_theme'
 html_static_path = ['_static']