Add graphs for the growth rates of a character

The visual of the graphs remains to be improved according to the size of
the screen.

mobile/www/index.html

@@ -63,10 +63,8 @@
             </div>
             <!-- Scrollable page content-->
             <div class="page-content">
-<!--                <div id="characters-list">-->
-<!--                </div>-->
                 <figure class="highcharts-figure">
-                    <div id="container"></div>
+                    <div id="container-characters"></div>
                 </figure>
             </div>
         </div>
@@ -82,6 +80,7 @@
 <script src="framework7/js/framework7.bundle.min.js"></script>
 <!-- Highcharts library -->
 <script src="js/lib/highcharts.js"></script>
+<script src="js/lib/highcharts-more.js"></script>
 <script src="js/lib/modules/networkgraph.js"></script>
 
 <!-- App routes -->