added missing 'back' navigation for webservice documentation

java/com.sap.sailing.server.gateway/webservices/api/deprecated/index.html

@@ -104,5 +104,7 @@ in the latter format are usually called <b>...asmillis</b>.
 	 -->
 </tbody>
 </table>
+<div style="height: 1em;"></div>
+<a href="../../index.html">Back to Web Services Home</a> 
 </body>
 </html>

java/com.sap.sailing.server.gateway/webservices/api/v1/index.html

@@ -78,5 +78,7 @@ name to make sure you get to the event you're interested in.
 	</tr>
 </tbody>
 </table>
+<div style="height: 1em;"></div>
+<a href="../../index.html">Back to Web Services Home</a> 
 </body>
 </html>