add favicons

_includes/head.html

@@ -9,7 +9,10 @@
 
   <meta property="og:site_name" content="{{ site.title }}">
 
-  <link rel="icon" type="image/png" href="data:image/png;base64,iVBORw0KGgo=">
+  <link rel="apple-touch-icon" sizes="180x180" href="{{ site.baseurl }}/assets/favicon/apple-touch-icon.png">
+  <link rel="icon" type="image/png" sizes="32x32" href="{{ site.baseurl }}/assets/favicon/favicon-32x32.png">
+  <link rel="icon" type="image/png" sizes="16x16" href="{{ site.baseurl }}/assets/favicon/favicon-16x16.png">
+  <link rel="manifest" href="{{ site.baseurl }}/assets/site.webmanifest">
 
   <link rel="stylesheet" href="{{ site.baseurl }}/styles.css">
 

_pages/Home.md

@@ -5,11 +5,10 @@ id: home
 permalink: /
 ---
 
-🌱 Welcome to this [[Digital Garden]]. Get started browsing it however you’d like.  Learn more [[about]] this site. 
+Welcome to this [[Digital Garden|digital garden]]. Get started browsing it however you’d like.  Learn more [[about]] this site.
 
 Here are some broad-level starting topics:
 
-
 - **[[Applications]]**
 - **[[Computing Infrastructure|Infrastructure]]**
 - **[[Miscellaneous]]**

assets/favicon/about.txt

@@ -0,0 +1,6 @@
+This favicon was generated using the following graphics from Twitter Twemoji:
+
+- Graphics Title: 1f4d6.svg
+- Graphics Author: Copyright 2020 Twitter, Inc and other contributors (https://github.com/twitter/twemoji)
+- Graphics Source: https://github.com/twitter/twemoji/blob/master/assets/svg/1f4d6.svg
+- Graphics License: CC-BY 4.0 (https://creativecommons.org/licenses/by/4.0/)

assets/favicon/site.webmanifest

@@ -0,0 +1 @@
+{"name":"","short_name":"","icons":[{"src":"/android-chrome-192x192.png","sizes":"192x192","type":"image/png"},{"src":"/android-chrome-512x512.png","sizes":"512x512","type":"image/png"}],"theme_color":"#ffffff","background_color":"#ffffff","display":"standalone"}