update example app structure

example/lib/main.dart

@@ -81,9 +81,18 @@ class _MyHomePageState extends State<MyHomePage> with TickerProviderStateMixin {
       bottomNavigationBar: ASNavigationBar(
         controller: _tabController,
         items: [
-          BottomNavigationBarItem(icon: Icon(Icons.home), label: 'HOME'),
           BottomNavigationBarItem(
-              icon: Icon(Icons.extension), label: 'EXTENSION'),
+            icon: Icon(Icons.home),
+            label: 'HOME',
+          ),
+          BottomNavigationBarItem(
+            icon: Icon(Icons.extension),
+            label: 'EXTENSION',
+          ),
+          BottomNavigationBarItem(
+            icon: Icon(Icons.apps),
+            label: 'UTILS',
+          ),
         ],
       ),
     );

example/lib/main_home.dart

@@ -1,21 +1,21 @@
-import 'package:example/example_bottom_button.dart';
-import 'package:example/example_box.dart';
-import 'package:example/example_dialog.dart';
-import 'package:example/example_drawer.dart';
-import 'package:example/example_listtile.dart';
-import 'package:example/example_pop_up_menu.dart';
-import 'package:example/example_refresh.dart';
-import 'package:example/example_tag.dart';
-import 'package:example/example_text_field.dart';
+import 'package:example/widgets/example_bottom_button.dart';
+import 'package:example/widgets/example_box.dart';
+import 'package:example/widgets/example_button.dart';
+import 'package:example/widgets/example_dialog.dart';
+import 'package:example/widgets/example_drawer.dart';
+import 'package:example/widgets/example_listtile.dart';
+import 'package:example/widgets/example_numeric_button.dart';
+import 'package:example/widgets/example_picker.dart';
+import 'package:example/widgets/example_pop_up_menu.dart';
+import 'package:example/widgets/example_refresh.dart';
+import 'package:example/widgets/example_scaffold.dart';
+import 'package:example/widgets/example_style_color.dart';
+import 'package:example/widgets/example_tab_bar.dart';
+import 'package:example/widgets/example_tag.dart';
+import 'package:example/widgets/example_text_field.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 
-import 'example_numeric_button.dart';
-import 'example_scaffold.dart';
-import 'example_button.dart';
-import 'example_tab_bar.dart';
-import 'example_picker.dart';
-import 'example_style_color.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 
 class MainHome extends StatefulWidget {

example/lib/widgets/example_bottom_button.dart

@@ -1,10 +1,11 @@
 import 'package:ansu_ui/ansu_ui.dart';
+import 'package:example/codeviewer/code_segments.dart';
+import 'package:example/common/code_view.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:get/get.dart';
 
-import 'codeviewer/code_segments.dart';
-import 'common/code_view.dart';
+
 
 class ExampleBottomButton extends StatefulWidget {
   ExampleBottomButton({Key key}) : super(key: key);

example/lib/widgets/example_picker.dart

@@ -1,12 +1,11 @@
 import 'dart:io';
 
 import 'package:ansu_ui/ansu_ui.dart';
+import 'package:example/codeviewer/code_segments.dart';
+import 'package:example/common/code_view.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 
-import 'codeviewer/code_segments.dart';
-import 'common/code_view.dart';
-
 class ExamplePicker extends StatefulWidget {
   ExamplePicker({Key key}) : super(key: key);
 

example/lib/widgets/example_tag.dart

@@ -1,11 +1,11 @@
 import 'package:ansu_ui/ansu_ui.dart';
+import 'package:example/codeviewer/code_segments.dart';
+import 'package:example/common/code_view.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:get/get.dart';
 import 'package:velocity_x/velocity_x.dart';
 
-import 'codeviewer/code_segments.dart';
-import 'common/code_view.dart';
 
 class ExampleTag extends StatefulWidget {
   ExampleTag({Key key}) : super(key: key);