Merge pull request #449 from silverstripe/pulls/1.1/new-docs

Update to new docs site

docs/en/userguide/index.md

@@ -1,5 +1,7 @@
+---
 title: Working with multiple websites
 summary: Setting up and editing multiple websites using SilverStripe
+---
 
 # Working with multiple sites
 

docs/en/userguide/set_up.md

@@ -1,3 +1,7 @@
+---
+title: Setting up
+---
+
 # Setting up
 
 ## Creating subsites

docs/en/userguide/working_with.md

@@ -1,3 +1,7 @@
+---
+title: Working with subsites
+---
+
 # Working with subsites
 
 ## Managing content across subsites