Seo (#75)

* Create icon.png

- this refers to #1

* Create community.png

- this refers to #1

* Update head.html

- this refers to #1
- remove confusing tag
- add several other tags
- this fixes #1

_includes/head.html

@@ -20,7 +20,7 @@
   {% endif %}
 
   {% if page.title %}
-  <meta property="og:title" content="{{ page.title }}">
+  <meta property="og:title" content="Community. {{ page.title }}">
   <meta property="og:type" content="article">
   {% else %}
   <meta property="og:title" content="{{ site.title }}">
@@ -29,14 +29,20 @@
 
   {% if page.date %}
   <meta property="article:published_time" content="{{ page.date | date_to_xmlschema }}">
-  <meta property="article:author" content="{{ site.url }}/">
+  <!-- <meta property="article:author" content="{{ site.url }}/"> -->
   {% endif %}
 
   <meta property="og:url" content="{{ site.url }}{{ page.url }}" />
 
   {% if page.image %}
   <meta property="og:image" content="{{ site.url }}{{ page.image }}">
   {% endif %}
+  <meta name="keywords" content="Music, Art, Quantum Computing">
+  <meta name="description" content="Art, Music, software, and events related to Quantum Computing and Creative Practice.">
+  <meta name="autor" content="Omar Costa Hamido">
+  <meta name="twitter:card" content="summary_large_image">
+  <meta property="og:image" content="{{ site.url }}/community_sqr.png">
+  <link rel="icon" type="image/png" href="/icon.png" />
 
   <title>
     {% if page.id == "home" %}