ability to display added ingredients in listview

lib/theme.dart

@@ -3,14 +3,18 @@ import 'package:flutter/material.dart';
 final _baseTheme = ThemeData(
   fontFamily: "Ubuntu",
   useMaterial3: true,
+).copyWith(
+  dividerTheme: const DividerThemeData(indent: 20, endIndent: 20),
 );
 
 final lightTheme = _baseTheme.copyWith(
-  colorScheme: ColorScheme.fromSeed(
-    seedColor: Colors.deepPurple,
-    brightness: Brightness.light,
-  ),
-);
+    colorScheme: ColorScheme.fromSeed(
+      seedColor: Colors.deepPurple,
+      brightness: Brightness.light,
+    ),
+    dividerTheme: DividerThemeData(
+      color: Colors.grey[600],
+    ));
 
 final darkTheme = _baseTheme.copyWith(
   colorScheme: ColorScheme.fromSeed(