added the 'Edit on GitHub' link

Author: yasoob

_themes/sphinx_rtd_theme/layout.html

@@ -212,7 +212,7 @@
         {% else %}
         <div class="rst-content">
         {% endif %}
-          <!-- {% include "breadcrumbs.html" %} -->
+          {% include "breadcrumbs.html" %}
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
           {%- block document %}
            <div id="mc_embed_signup">

conf.py

@@ -111,6 +111,12 @@
 html_logo = "_static/images/logo.png"
 html_favicon = "_static/images/favicon.png"
 
+html_context = {
+  'display_github': True,
+  'github_user': 'yasoob',
+  'github_repo': 'intermediatepython',
+  'github_version': 'testing/'
+}
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
 # documentation.