refactor(images): move the logos to the images folder

flutter_launcher_icons.yaml

@@ -13,7 +13,7 @@ flutter_icons:
     generate: true
 
   # The location of the image file which you want to use as the app launcher icon
-  image_path: "assets/icons/logo_background.png"
+  image_path: "assets/images/logo_background.png"
 
   # The location of the icon image file specific for a specific platform
   # (optional - if not defined then the image_path is used)

flutter_native_splash.yaml

@@ -18,7 +18,7 @@ flutter_native_splash:
 
   # The image parameter allows you to specify an image used in the splash screen.  It must be a
   # png file and should be sized for 4x pixel density.
-  image: assets/icons/logo_white.png
+  image: assets/images/logo_white.png
 
   # The branding property allows you to specify an image used as branding in the splash screen.
   # It must be a png file. Currently, it is only supported for Android < v12 and iOS.

lib/constants/app_images.dart

@@ -1,5 +1,9 @@
 abstract class AppImages {
-  static const String easyinvest = 'assets/images/easyinvest.jpg';
-  static const String pix = 'assets/images/pix.jpg';
-  static const String referFriend = 'assets/images/refer_friend.jpg';
+  static const String _path = 'assets/images/';
+  static const String logo = '${_path}logo.png';
+  static const String logoBackground = '${_path}logo_background.png';
+  static const String logoWhite = '${_path}logo_white.png';
+  static const String easyinvest = '${_path}easyinvest.jpg';
+  static const String pix = '${_path}pix.jpg';
+  static const String referFriend = '${_path}refer_friend.jpg';
 }