gum: Add optional extra CSS and JS resources

gum/README.md

@@ -44,16 +44,33 @@ To use Disqus, add the Disqus site name via the following variable.
 DISQUS_SITENAME = ''
 ```
 
-
 To add content or markup to the footer of every page: Add an `extra_footer.html` file to
 a directory in your `THEME_TEMPLATES_OVERRIDES` path. It is empty by default.
 
+To add extra CSS, for example to override styles without forking the Gum theme,
+>>>>>>> 2707d51 (Documentation tweaks from review feedback)
+you may specify either or both of these settings:
+
+```
+CUSTOM_CSS_FILES = ['list of paths to additional css static files']
+CUSTOM_CSS_URLS = ['list of URLs of additional remote css to load']
+```
+
+To add extra Javascript to the theme, you may specify either or both of these settings:
+
+```
+CUSTOM_JS_FILES = ['list of paths to additional JavaScript static files']
+CUSTOM_JS_URLS = ['list of URLs of additional JavaScript to load']
+
+```
+
 Other features include:
 
 ```
 SITESUBTITLE = 'your site subtitle'
 ```
 
+
 The following standard Pelican settings are honored:
 
 ```

gum/templates/base.html

@@ -37,6 +37,17 @@
         <link rel="stylesheet" type="text/css" href="{{ SITEURL }}/theme/gumby.css" />
         <link rel="stylesheet" type="text/css" href="{{ SITEURL }}/theme/style.css" />
         <link rel="stylesheet" type="text/css" href="{{ SITEURL }}/theme/pygment.css" />
+        {% if CUSTOM_CSS_FILES %}
+          {% for item in CUSTOM_CSS_FILES %}
+            <link rel="stylesheet" type="text/css" href="{{ SITEURL }}/{{ item }}" />
+          {% endfor %}
+        {% endif %}
+
+        {% if CUSTOM_CSS_URLS %}
+          {% for item in CUSTOM_CSS_URLS %}
+            <link rel="stylesheet" type="text/css" href="{{ item }}" />
+          {% endfor %}
+        {% endif %}
 
         <script src="{{ SITEURL }}/theme/js/libs/modernizr-2.6.2.min.js"></script>
 
@@ -70,6 +81,17 @@
             <noscript><p><img src="http://{{ PIWIK_URL }}/piwik.php?idsite={{ PIWIK_ID }}" style="border:0;" alt="" /></p></noscript>
           {% endif %}
 
+          {% if CUSTOM_JS_FILES %}
+            {% for item in CUSTOM_JS_FILES %}
+              <script src="{{ SITEURL }}/{{ item }}"></script>
+            {% endfor %}
+          {% endif %}
+          {% if CUSTOM_JS_URLS %}
+            {% for item in CUSTOM_JS_URLS %}
+              <script src="{{ item }}"></script>
+            {% endfor %}
+          {% endif %}
+
         {% endblock head %}
 </head>