organized chapters

Author: loiane

examples/index.html

@@ -66,7 +66,7 @@
         <div class="page-content mdl-layout--fixed-drawer">
           <div class="mdl-layout__drawer is-visible">
             <nav class="mdl-navigation">
-              <a class="mdl-navigation__link" href="chapter01_02_02/01-HelloWorld.html">01-HelloWorld</a>
+              <a class="mdl-navigation__link" href="chapter01_02/01-HelloWorld.html">01-HelloWorld</a>
               <a class="mdl-navigation__link" href="chapter01_02/02-Variables.html">02-Variables</a>
               <a class="mdl-navigation__link" href="chapter01_02/03-Operators.html">03-Operators</a>
               <a class="mdl-navigation__link" href="chapter01_02/04-TruthyFalsy.html">04-Truthy Falsy</a>