inserido icone android, logo,ajustada a tela home e login

lib/utils/const_variable.dart

@@ -1,5 +1,12 @@
+import 'package:flutter/material.dart';
+import 'color_palette.dart';
 
 class ConstVariable{
+  double radiusBorderInput = 5;
+  EdgeInsetsGeometry marginHightInput = EdgeInsets.symmetric(vertical: 5);
+  EdgeInsetsGeometry paddingWidth = EdgeInsets.symmetric(horizontal: 10);
+  double fontSizeInput = 15;
+  double fontSizeTitleAppBar = 20;
   List<String> itensCity = [
     'Anhembi',
     'Aparecida',
@@ -28,4 +35,14 @@ class ConstVariable{
     'Santo Antonio da Alegria',
     'Tapiratiba'
   ];
+  var backgroundGradient = BoxDecoration(
+      gradient:  LinearGradient(
+        begin: Alignment.topCenter,
+        end: Alignment.bottomCenter,
+        colors: [
+          ColorPalette.primary,
+          ColorPalette.secundary,
+        ],
+      )
+  );
 }