Add a changelog to the end of the HTML document

OOMAnalyser.html

@@ -600,6 +600,38 @@ function goBack() {
   </li>
 </ol>
 
+<h2>
+    Changelog
+    <a class="a--small" href="javascript:void(0);" onclick="OOMAnalyser.toggle('changelog')"
+       title="Show / hide news">(click to show / hide)</a>
+</h2>
+
+<div class="text--default-hide js-text--display-none" id="changelog">
+    <h3>Version 0.3.0 - 2019-XX-XX:</h3>
+
+    <h4>General</h4>
+    <ol>
+        <li>Separate analysis and visualisation code</li>
+        <li>Use CSS classes to control the visibility</li>
+        <li>Strip columns left to the message automatically</li>
+        <li>Lot if internal improvements and restructuring</li>
+    </ol>
+
+    <h4>Known issues</h4>
+    <ol>
+        <li>none</li>
+    </ol>
+
+    <h4>Note</h4>
+    <ol>
+        <li>
+            See the
+            <a href="https://github.com/CarstenGrohmann/OOMAnalyser/commits" title="commit history">commit history</a>
+            of the repository for a full list of changes.
+        </li>
+    </ol>
+</div>
+
 <h2>
     Local Installation
     <a class="a--small" href="javascript:void(0);" onclick="OOMAnalyser.toggle('installation')"