Start to display widgets

lib/ui/routes/main_route/tablet_route.dart

@@ -14,6 +14,8 @@ import 'package:flutter/material.dart';
 ///
 /// @author Pierre Hubert
 
+const _SideBarSize = 300.0;
+
 class TabletRoute extends StatefulWidget implements MainRoute {
   const TabletRoute({Key key}) : super(key: key);
 
@@ -56,7 +58,7 @@ class _TabletRouteState extends MainController {
           iconTheme: IconThemeData(color: Colors.white),
         ),
         child: Container(
-          width: 300,
+          width: _SideBarSize,
           color: Color(0xFF222D32),
           child: Column(
             children: <Widget>[
@@ -70,7 +72,10 @@ class _TabletRouteState extends MainController {
         ),
       );
 
-  Widget _buildRightPane() => Container();
+  Widget _buildRightPane() => Container(
+        width: MediaQuery.of(context).size.width - _SideBarSize,
+        child: currentPage.child,
+      );
 
   @override
   void pushPage(PageInfo page) {