Add: RSS link in head and footer

RSS [is shipped with Hugo](https://gohugo.io/templates/rss/), only need to be
added to the proper places (head and footer in my case).

Fixes #4

TODO.md

@@ -23,7 +23,7 @@
 - [x] Add dotfiles to the resume
 - [x] Add segun to the colophon
 - [x] Take a look to the twitter-card/og for the index page
-- [ ] RSS
+- [x] RSS + referencee it in header
 - [ ] Add vim + productivity to "hobbies" or "tools" section
 - [ ] General review + Clean some stuff here and there
 - [ ] Some images contains a `<p>`, get rid of it.

src/themes/oscar/layouts/partials/footer.html

@@ -6,6 +6,10 @@
 		<li><a href="">twitter</a></li>
 		<li><a href="">instagram</a></li>
 		<li><a href="">twich</a></li>
+        {{ with .OutputFormats.Get "rss" -}}
+        <li><a href="{{ .RelPermalink }}">rss</a></li>
+        {{ end -}}
         <li><a href="mailto:info@oscarmlage">info@oscarmlage.com</a></li>
+
 	</ul>
 </footer>

src/themes/oscar/layouts/partials/metas.html

@@ -28,7 +28,9 @@
         <meta name="theme-color" content="#ffffff">
 
 		<!-- RSS -->
-		<link href="{{ with .OutputFormats.Get "RSS" }}{{ .RelPermalink }}{{ end }}" rel="alternate" type="application/rss+xml" title="{{ .Site.Title }}" />
+        {{ with .OutputFormats.Get "rss" -}}
+        <link href="{{ .RelPermalink }}" rel="{{ .Rel }}" type="{{ .MediaType.Type }}" title="{{ $.Site.Title }}" />
+        {{ end -}}
 
         <!-- Metas -->
         <meta itemprop="description" content="{{ .Content | plainify | htmlUnescape | truncate 100 }}">