Write "Getting Started" page.

doc/site/template.html

@@ -18,7 +18,7 @@
   <div class="nav">
     <h2>welcome</h2>
     <ul>
-      <li>Getting Started</li>
+      <li><a href="getting-started.html">Getting Started</a></li>
     </ul>
     <h2>language</h2>
     <ul>
@@ -27,27 +27,24 @@
       <li><a href="variables.html">Variables</a></li>
       <li><a href="branching.html">Branching</a></li>
       <li><a href="looping.html">Looping</a></li>
+      <li><a href="error-handling.html">Error Handling</a></li>
     </ul>
     <h2>types</h2>
     <ul>
       <li><a href="values.html">Values</a></li>
       <li><a href="classes.html">Classes</a></li>
-      <li><a href="functions.html">Functions</a></li>
       <li><a href="fibers.html">Fibers</a></li>
+      <li><a href="functions.html">Functions</a></li>
       <li><a href="lists.html">Lists</a></li>
       <li><a href="maps.html">Maps</a></li>
     </ul>
-    <h2>usage</h2>
-    <ul>
-      <li>Concurrency</li>
-      <li>Error Handling</li>
-      <li>Standalone</li>
-      <li>Embedding</li>
     </ul>
     <h2>other</h2>
     <ul>
       <li><a href="qa.html">Q &amp; A</a></li>
       <li><a href="performance.html">Performance</a></li>
+      <li><a href="embedding.html">Embedding</a></li>
+      <li><a href="getting-involved.html">Getting Involved</a></li>
     </ul>
   </div>
   <div class="content">