Update README.md

- Add demo link
- Add about section
- Fix and rename title of "TODO list" to "Wish List"

Author: b-xb

README.md

@@ -1,3 +1,13 @@
-#TODO
+# Demo
+
+https://b-xb.github.io/sunrise/
+
+# About
+
+This is a small music visualisation experiment I put together using just vanilla Javascript and a HTML5 canvas element.
+
+The Javascript code is dependent on access to certain features of the [Canvas](https://developer.mozilla.org/en-US/docs/Web/API/Canvas_API) & [Web Audio](https://developer.mozilla.org/en-US/docs/Web/API/Web_Audio_API) APIs that are common to most modern web browsers.
+
+# Wish list
 - add random seagull noises at the end?
 - try adding gravity to the waves, in an attempt to get rid of the strobing