fix static

docs/sphinx/_templates/layout.html

 {% extends "!layout.html" %}
 
 {% block sidebarlogo %}
-    <a href="../_build/index.html">
-      <img src="../_static/maestro-logo.png" alt="Maestro logo">
+    <a href="index.html">
+      <img src="_static/maestro-logo.png" alt="Maestro logo">
     </a>
 {% endblock %}
 

docs/sphinx/conf.py

@@ -70,8 +70,7 @@ html_theme = 'alabaster'
 # 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 = []
+html_static_path = ['_static']
 
 html_sidebars = {
    '**': ['globaltoc.html', 'searchbox.html'],