Add link to header title in docs

Author: weavejester

docs/index.adoc

@@ -1,4 +1,4 @@
-= Duct
+= https://duct-framework.org[Duct]
 James Reeves
 {docdate}
 :doctype: book

docs/style.css

@@ -27,10 +27,15 @@ body {
   background-size: 40px;
   background-repeat: no-repeat;
   background-position: 0 19px;
-  padding-left: 48px;
   margin: 0.3rem 0.6rem 0 0.6rem;
 }
 
+#header h1 a {
+  color: white;
+  text-decoration: none;
+  padding-left: 48px;
+}
+
 #header .details, #toctitle {
   display: none;
 }