Updated branding and app naming for consistency. Added library tools to sync naming and icon across platforms. Updated readme.

pubspec.yaml

@@ -41,6 +41,7 @@ dependencies:
 
 dev_dependencies:
   flutter_name_manager: ^1.0.0
+  flutter_launcher_icons: ^0.13.1
   flutter_test:
     sdk: flutter
 
@@ -92,3 +93,15 @@ flutter:
   #
   # For details regarding fonts from package dependencies,
   # see https://flutter.dev/to/font-from-package
+
+flutter_launcher_icons:
+  image_path: assets/icon/app_icon.png
+  android: true
+  ios: true
+  macos: 
+    generate: true
+  windows: 
+    generate: true
+  linux: true
+  web:
+    generate: true