[readme] add bitcoin price chart

hshoff · web-flow · commit 412b42865766 · 2017-08-02T10:07:03.000-07:00
diff --git a/README.md b/README.md
@@ -1,3 +1,7 @@
-# viewsource
-a collection of free examples by @hshoff
+# View Source
+a collection of free examples by [@hshoff](https://twitter.com/hshoff)
 
+## 1. Bitcoin price chart
+
+- demo: https://viewsource.now.sh/bitcoin
+- youtube: https://www.youtube.com/watch?v=oeE2tuspdHg
