Switch favicon to emoji (alshedivat#217)

Author: alshedivat

_config.yml

@@ -14,6 +14,7 @@ footer_text: >
   Hosted by <a href="https://pages.github.com/" target="_blank">GitHub Pages</a>.
   Photos from <a href="https://unsplash.com" target="_blank">Unsplash</a>.
 
+icon: 🔥 # the emoji used as the favicon
 url:  # the base hostname & protocol for your site
 baseurl: /al-folio # the subpath of your site, e.g. /blog/
 last_updated: false # set to true if you want to display last updated in the footer

_includes/head.html

@@ -28,7 +28,9 @@
 <link rel="stylesheet" href="https://gitcdn.link/repo/jwarby/jekyll-pygments-themes/master/{{ site.highlight_theme }}.css" />
 
 <!-- Styles -->
-<link rel="shortcut icon" href="{{ '/assets/img/favicon.ico' | relative_url }}">
+{% if site.icon != empty %}
+<link rel="icon" href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2290%22>{{ site.icon }}</text></svg>">
+{% endif %}
 <link rel="stylesheet" href="{{ '/assets/css/main.css' | relative_url }}">
 
 <link rel="canonical" href="{{ page.url | replace:'index.html','' | relative_url }}">