[css-module-bikeshed] Link to the bikeshed documentation instead of the old preprocessor's documentation.

Author: dbaron

css-module-bikeshed/Overview.bs

@@ -30,7 +30,7 @@ Sample section {#sample-topic}
 ==============================
 
 	Look at the mark-up in this section for examples.
-	See the <a href="https://www.w3.org/Style/Group/css3-src/bin/README">documentation</a> for more precise instructions.
+	See the <a href="https://github.com/tabatkins/bikeshed/blob/master/README.md">documentation</a> for more precise instructions.
 	The companion of this template shows the <a href="Overview.html">processed result</a>.
 
 	To refer to HTML, use [[HTML40]] (note the double square brackets in the source).