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

lib/utils/color_palette.dart

@@ -2,7 +2,10 @@ import 'package:flutter/material.dart';
 class ColorPalette{
   static const Color white = Colors.white;
   static const Color red = Colors.red;
-  static const Color primary = Color(0xff408CB3);
-  static const Color border = Color(0xff86B6CD);
+  static const Color primary = Color(0xff89dbf7);
+  static const Color appBar = Color(0xff387ef5);
+  static const Color secundary = Color(0xffcff1fc);
+  static const Color border = Color(0xff78baf8);
+  static const Color gray = Color(0xff909090);
   static const Color black54 = Colors.black54;
 }

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,
+        ],
+      )
+  );
 }

lib/utils/routes.dart

@@ -1,6 +1,9 @@
 import 'package:rkm/screens/home_screen.dart';
 import 'package:rkm/screens/login_screen.dart';
+
+import '../screens/register_citizen_screen.dart';
 var routes = {
   '/home': (context) => const HomeScreen(),
   '/login': (context) => const LoginScreen(),
+  '/register_citizen': (context) => const RegisterCitizenScreen(),
 };