workaround searching for RTD

Cong Liu · Cong Liu · commit cff0fcd9b1f6 · 2016-06-01T09:55:16.000+08:00
see readthedocs/readthedocs.org#1088 (comment)
diff --git a/custom_theme/searchbox.html b/custom_theme/searchbox.html
@@ -0,0 +1,5 @@
+<div role="search">
+  <form id ="rtd-search-form-alt" class="wy-form" action="{{ base_url }}/search.html" method="get">
+    <input type="text" name="q" placeholder="Search docs" />
+  </form>
+</div>
diff --git a/mkdocs.yml b/mkdocs.yml
@@ -1,5 +1,6 @@
 site_name: NW.js Documentation
 theme: readthedocs
+theme_dir: 'custom_theme'
 markdown_extensions:
     - markdown.extensions.toc
     - markdown.extensions.admonition
