Add basic README

Author: weavejester

README.md

@@ -0,0 +1,9 @@
+# Duct Framework Site
+
+This is the source code for the [Duct Framework](https://duct-framework.github.io) site.
+
+## Building locally
+
+```sh
+asciidoctor -D build -b html5 index.adoc
+```

index.adoc

@@ -1,4 +1,4 @@
-= The Duct Framework
+= The Duct Framework [Beta]
 James Reeves
 {docdate}
 :doctype: book
@@ -7,6 +7,7 @@ James Reeves
 :source-highlighter: coderay
 :sectnums:
 :toc: left
+:url-repo: https://github.com/duct-framework/duct-framework.github.io
 
 == Introduction