Show banner on welcome route

lib/ui/widgets/login_scaffold.dart

@@ -1,4 +1,5 @@
 import 'package:comunic/models/config.dart';
+import 'package:comunic/ui/widgets/banner_widget.dart';
 import 'package:comunic/utils/intl_utils.dart';
 import 'package:flutter/material.dart';
 
@@ -43,7 +44,12 @@ class LoginScaffold extends StatelessWidget {
         ),
       ),
       child: Scaffold(
-        body: SingleChildScrollView(
+        body: SafeArea(
+          child: Column(
+            children: [
+              BannerWidget(),
+              Expanded(
+                child: SingleChildScrollView(
                   child: Center(
                     child: Container(
                       height: contentHeight,
@@ -51,7 +57,7 @@ class LoginScaffold extends StatelessWidget {
                         constraints: BoxConstraints(maxWidth: 300),
                         child: Column(
                           children: <Widget>[
-                    Spacer(flex: 3),
+                            Spacer(flex: 2),
                             Text(config().appName,
                                 textAlign: TextAlign.center,
                                 style: TextStyle(fontSize: 50)),
@@ -80,6 +86,10 @@ class LoginScaffold extends StatelessWidget {
                   ),
                 ),
               ),
+            ],
+          ),
+        ),
+      ),
     );
   }
 }