add icons for app an change app name

pubspec.yaml

@@ -52,6 +52,8 @@ dev_dependencies:
   # package. See that file for information about deactivating specific lint
   # rules and activating additional ones.
   flutter_lints: ^6.0.0
+  flutter_launcher_icons: ^0.14.4
+  rename: ^3.1.0
 
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec
@@ -94,3 +96,15 @@ flutter:
   #
   # For details regarding fonts from package dependencies,
   # see https://flutter.dev/to/font-from-package
+flutter_launcher_icons:
+  android: true
+  ios: true
+  windows:
+    generate: true
+    image_path: "assets/icons/filamentNeon.jpg"
+    icon_size: 256
+  macos:
+    generate: true
+    image_path: "assets/icons/filamentNeon.jpg"
+  image_path: "assets/icons/filamentNeon.jpg"
+  min_sdk_android: 21