adds 'latest/' to all of the links
diff --git a/src/partials/header-content.hbs b/src/partials/header-content.hbs
index 4ea3e12..7469c99 100644
--- a/src/partials/header-content.hbs
+++ b/src/partials/header-content.hbs
@@ -19,79 +19,79 @@
           <a class="navbar-link" href="#">Quick Start</a>
           <div class="navbar-dropdown">
             <span class="navbar-item navbar-heading">Starter Apps</span>
-            <a class="navbar-item" href="{{siteRootPath}}/docs/starters/helloworld.html">Hello World</a>
-            <a class="navbar-item" href="{{siteRootPath}}/docs/starters/simpleapp.html">Simple App</a>
+            <a class="navbar-item" href="{{siteRootPath}}/docs/latest/starters/helloworld.html">Hello World</a>
+            <a class="navbar-item" href="{{siteRootPath}}/docs/latest/starters/simpleapp.html">Simple App</a>
             <hr class="navbar-divider"/>
             <span class="navbar-item navbar-heading">Demos &amp; Tutorials</span>
-            <a class="navbar-item" href="{{siteRootPath}}/docs/demo/about.html">Demo App</a>
+            <a class="navbar-item" href="{{siteRootPath}}/docs/latest/demo/about.html">Demo App</a>
             <a class="navbar-item" href="https://danhaywood.gitlab.io/isis-petclinic-tutorial-docs/petclinic/1.16.2/intro.html">Petclinic (tutorial)</a>
             <hr class="navbar-divider"/>
             <span class="navbar-item navbar-heading">Resources</span>
-            <a class="navbar-item" href="{{siteRootPath}}/docs/resources/cheatsheet.html">Cheatsheet</a>
-            <a class="navbar-item" href="{{siteRootPath}}/docs/resources/icons.html">Icons</a>
+            <a class="navbar-item" href="{{siteRootPath}}/docs/latest/resources/cheatsheet.html">Cheatsheet</a>
+            <a class="navbar-item" href="{{siteRootPath}}/docs/latest/resources/icons.html">Icons</a>
           </div>
         </div>
         <div class="navbar-item has-dropdown is-hoverable">
           <a class="navbar-link" href="#">Guides</a>
           <div class="navbar-dropdown">
             <span class="navbar-item navbar-heading">Development</span>
-            <a class="navbar-item" href="{{siteRootPath}}/setupguide/about.html">Setup Guide</a>
+            <a class="navbar-item" href="{{siteRootPath}}/setupguide/latest/about.html">Setup Guide</a>
             <hr class="navbar-divider"/>
             <span class="navbar-item navbar-heading">Core</span>
-            <a class="navbar-item" href="{{siteRootPath}}/userguide/about.html">User Guide</a>
-            <a class="navbar-item" href="{{siteRootPath}}/refguide/about.html">Reference Guide</a>
-            <a class="navbar-item" href="{{siteRootPath}}/testing/about.html">Testing Guide</a>
+            <a class="navbar-item" href="{{siteRootPath}}/userguide/latest/about.html">User Guide</a>
+            <a class="navbar-item" href="{{siteRootPath}}/refguide/latest/about.html">Reference Guide</a>
+            <a class="navbar-item" href="{{siteRootPath}}/testing/latest/about.html">Testing Guide</a>
           </div>
         </div>
         <div class="navbar-item has-dropdown is-hoverable">
           <a class="navbar-link" href="#">Libraries</a>
           <div class="navbar-dropdown">
             <span class="navbar-item navbar-heading">For Use in Apps</span>
-            <a class="navbar-item" href="{{siteRootPath}}/subdomains/about.html">Subdomain Libraries</a>
-            <a class="navbar-item" href="{{siteRootPath}}/valuetypes/about.html">Value Types</a>
+            <a class="navbar-item" href="{{siteRootPath}}/subdomains/latest/about.html">Subdomain Libraries</a>
+            <a class="navbar-item" href="{{siteRootPath}}/valuetypes/latest/about.html">Value Types</a>
             <hr class="navbar-divider"/>
             <span class="navbar-item navbar-heading">Integrate between Apps</span>
-            <a class="navbar-item" href="{{siteRootPath}}/mappings/about.html">Bounded Context Mapping Libraries</a>
+            <a class="navbar-item" href="{{siteRootPath}}/mappings/latest/about.html">Bounded Context Mapping Libraries</a>
             <hr class="navbar-divider"/>
             <span class="navbar-item navbar-heading">Other</span>
-            <a class="navbar-item" href="{{siteRootPath}}/incubator/about.html">Incubator</a>
-            <a class="navbar-item" href="{{siteRootPath}}/legacy/about.html">Legacy</a>
+            <a class="navbar-item" href="{{siteRootPath}}/incubator/latest/about.html">Incubator</a>
+            <a class="navbar-item" href="{{siteRootPath}}/legacy/latest/about.html">Legacy</a>
           </div>
         </div>
         <div class="navbar-item has-dropdown is-hoverable">
           <a class="navbar-link" href="#">Components</a>
           <div class="navbar-dropdown">
             <span class="navbar-item navbar-heading">Viewers</span>
-            <a class="navbar-item" href="{{siteRootPath}}/vw/about.html">Wicket UI</a>
-            <a class="navbar-item" href="{{siteRootPath}}/vro/about.html">Restful Objects (REST)</a>
+            <a class="navbar-item" href="{{siteRootPath}}/vw/latest/about.html">Wicket UI</a>
+            <a class="navbar-item" href="{{siteRootPath}}/vro/latest/about.html">Restful Objects (REST)</a>
             <hr class="navbar-divider"/>
             <span class="navbar-item navbar-heading">Security</span>
-            <a class="navbar-item" href="{{siteRootPath}}/security/about.html">Security Guide</a>
+            <a class="navbar-item" href="{{siteRootPath}}/security/latest/about.html">Security Guide</a>
             <hr class="navbar-divider"/>
             <span class="navbar-item navbar-heading">Persistence</span>
-            <a class="navbar-item" href="{{siteRootPath}}/pjdo/about.html">DataNucleus (JDO)</a>
+            <a class="navbar-item" href="{{siteRootPath}}/pjdo/latest/about.html">DataNucleus (JDO)</a>
             <hr class="navbar-divider"/>
             <span class="navbar-item navbar-heading">Extensions</span>
-            <a class="navbar-item" href="{{siteRootPath}}/extensions/about.html">Extensions Catalog</a>
+            <a class="navbar-item" href="{{siteRootPath}}/extensions/latest/about.html">Extensions Catalog</a>
           </div>
         </div>
         <div class="navbar-item has-dropdown is-hoverable">
           <a class="navbar-link" href="#">Support</a>
           <div class="navbar-dropdown">
             <span class="navbar-item navbar-heading">Contact</span>
-            <a class="navbar-item" href="{{siteRootPath}}/docs/support/slack-channel.html">Slack</a>
-            <a class="navbar-item" href="{{siteRootPath}}/docs/support/mailing-list.html">Mailing Lists</a>
+            <a class="navbar-item" href="{{siteRootPath}}/docs/latest/support/slack-channel.html">Slack</a>
+            <a class="navbar-item" href="{{siteRootPath}}/docs/latest/support/mailing-list.html">Mailing Lists</a>
             <a class="navbar-item" href="https://issues.apache.org/jira/browse/ISIS">JIRA</a>
             <a class="navbar-item" href="https://stackoverflow.com/questions/tagged/isis">Stack Overflow</a>
             <hr class="navbar-divider"/>
             <span class="navbar-item navbar-heading">Releases</span>
-            <a class="navbar-item" href="{{siteRootPath}}/docs/downloads/how-to.html">Downloads</a>
-            <a class="navbar-item" href="{{siteRootPath}}/relnotes/about.html">Release Notes</a>
+            <a class="navbar-item" href="{{siteRootPath}}/docs/latest/downloads/how-to.html">Downloads</a>
+            <a class="navbar-item" href="{{siteRootPath}}/relnotes/latest/about.html">Release Notes</a>
             <hr class="navbar-divider"/>
             <span class="navbar-item navbar-heading">Framework</span>
-            <a class="navbar-item" href="{{siteRootPath}}/conguide/about.html">Contributors' Guide</a>
-            <a class="navbar-item" href="{{siteRootPath}}/comguide/about.html">Committers' Guide</a>
-            <a class="navbar-item" href="{{siteRootPath}}/core/about.html">Core Design</a>
+            <a class="navbar-item" href="{{siteRootPath}}/conguide/latest/about.html">Contributors' Guide</a>
+            <a class="navbar-item" href="{{siteRootPath}}/comguide/latest/about.html">Committers' Guide</a>
+            <a class="navbar-item" href="{{siteRootPath}}/core/latest/about.html">Core Design</a>
           </div>
         </div>
         <div class="navbar-item has-dropdown is-hoverable">
@@ -129,7 +129,7 @@
             <a class="navbar-item" href="https://whimsy.apache.org/board/minutes/Isis.html">PMC board minutes</a>
           </div>
         </div>
-        <a class="navbar-item" href="{{siteRootPath}}/docs/about.html">
+        <a class="navbar-item" href="{{siteRootPath}}/docs/latest/about.html">
           <span class="icon">
             <img src="{{siteRootPath}}/_/img/home.png"></img>
           </span>