Added placeholder headings for LINUX and Windows to website

Author: jody

docs/index.html

@@ -6,11 +6,13 @@ <h1>Native Java App</h1>
   <h2>Repository</h2>
   <a href="https://github.com/MetroCS/NativeJavaApp">MetroCS/NativeJavaApp</a>
   <h2>Examples</h2>
+  <h3>LINUX</h3>
   <h3>MacOS</h3>
   <ul>
     <li>Installer built using the default application:
       <a href="SampleApp-Installer.dmg">SampleApp-Installer</a></li>
     <li>Installer that demonstrates a questionnaire and interpretation (MSQL):
       <a href="MSQL-Installer.dmg">MSQL-Installer</a></li>
   </ul>
+  <h3>Windows</h3>
 </body>