add new guides to guide page

supporting-docs/guides/2016-01-01-index.md

@@ -8,7 +8,8 @@ categories: guides
 
   <p>Here is a collection of guides that might help you get involved with Matrix.</p>
   <p>First, there is the <a href="./getting_involved.html" title="Getting Involved">Getting Involved</a> guide, which explains various ways of getting started with Matrix.</p>
-  <p>The <a href="/docs/howtos/client-server.html" title="Client-Server API">Client-Server API</a> guide explains in detail how to use the CS API, which is useful if you want to write a client (or modify an existing one) - or if you're just interested in how it works "under the hood".</p>
+  <p>The (updated) <a href="/docs/guides/client-server.html" title="Client-Server API">Client-Server API</a> guide explains in detail how to use the CS API, which is useful if you want to write a client (or modify an existing one) - or if you're just interested in how it works "under the hood".</p>
+  <p>If you were using the old v1 CS API, there is also the <a href="/docs/guides/client-server-migrating-from-v1.html">v1 migration guide</a> which justs lists the changes from v1 to r0.</p>
   <p><a href="./lets-encrypt.html">Let's Encrypt Matrix</a> explains how to use Let's Encrypt's certificates with your Synapse installation. This guide was written by William A Stevens.</p>
   <p>The <a href="./application_services.html" title="Application services">Application services</a> guide introduces and explains Application services, and what they can be used for.
   <p>Finally there is the <a href="./faq.html" title="FAQ">FAQ</a>, which tries to answer all your questions relating to Matrix!</p>