add support for RSS link in the footer

README.md

@@ -203,9 +203,17 @@ author:
 
 Remove the lines that you don't want to display in the footer, and change `yourname` to the correct values in the links you want to keep.
 
+#### Add an RSS feed link to the footer
+
+You can add an icon that will link to an RSS feed of your blog by including the following parameter in `_config.yml`:
+
+```yaml
+rss-footer: true
+```
+
 #### Add your website's name to the footer
 
-After all the contact info links, you can also add the name of your website by defining the` url-pretty` parameter in `_config.yml`:
+After all the contact info links, you can also add the name of your website by defining the `url-pretty` parameter in `_config.yml`:
 
 ```yaml
 url-pretty: "MyWebsite.com"

_includes/footer.html

@@ -143,6 +143,16 @@
             </a>
           </li>
           {% endif %}
+      {% if site.rss-footer %}
+          <li>
+            <a href="/feed.xml" title="RSS">
+              <span class="fa-stack fa-lg">
+                <i class="fa fa-circle fa-stack-2x"></i>
+                <i class="fa fa-rss fa-stack-1x fa-inverse"></i>
+              </span>
+            </a>
+          </li>
+          {% endif %}
         </ul>
         <p class="copyright text-muted">
 	  {% if site.author.name %}

feed.xml

@@ -0,0 +1,24 @@
+---
+layout: null
+---
+<?xml version="1.0" encoding="UTF-8"?>
+<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
+  <channel>
+    <title>{{ site.title | xml_escape }}</title>
+    <description>{{ site.description | xml_escape }}</description>
+    <link>{{ site.url }}</link>
+    <atom:link href="{{ site.url }}/feed.xml" rel="self" type="application/rss+xml" />
+    {% for post in site.posts limit:20 %}
+      <item>
+        <title>{{ post.title | xml_escape }}</title>
+        <description>
+          {% if post.subtitle %}{{ post.subtitle | xml_escape }} - {% endif %}
+          {{ post.content | strip_html | xml_escape | truncatewords: 50 }}
+        </description>
+        <pubDate>{{ post.date | date: "%a, %d %b %Y %H:%M:%S %z" }}</pubDate>
+        <link>{{ site.url }}{{ post.url }}</link>
+        <guid isPermaLink="true">{{ site.url }}{{ post.url }}</guid>
+      </item>
+    {% endfor %}
+  </channel>
+</rss>