Fix version to 0.1-SNAPSHOT in index.html and remove sentinels

Author: simbo1905

README.md

@@ -221,5 +221,3 @@ String formatted = Json.toDisplayString(data, 2);
 //   ]
 // }
 ```
-
-<!-- SENTINEL: This is README.md -->

index.html

@@ -82,7 +82,7 @@ <h3>Maven Dependency</h3>
         <pre><code>&lt;dependency&gt;
     &lt;groupId&gt;jdk-sandbox&lt;/groupId&gt;
     &lt;artifactId&gt;json-experimental&lt;/artifactId&gt;
-    &lt;version&gt;1.0-SNAPSHOT&lt;/version&gt;
+    &lt;version&gt;0.1-SNAPSHOT&lt;/version&gt;
 &lt;/dependency&gt;</code></pre>
 
         <h3>Simple Example</h3>
@@ -140,6 +140,5 @@ <h2>License</h2>
         <p>Licensed under the GNU General Public License version 2 with Classpath exception, 
         same as the OpenJDK project.</p>
     </div>
-    <!-- SENTINEL: This is index.html -->
 </body>
 </html>