added flutter_launcher_icons dev dependency

flutter_launcher_icons.yaml

@@ -0,0 +1,18 @@
+flutter_launcher_icons:
+  android: true 
+  ios: true
+  image_path: "assets/appicon/icon.png"
+  min_sdk_android: 21 
+  adaptive_icon_background: "#FFA86A"
+  web:
+    generate: true
+    image_path: "assets/appicon/icon.png"
+    background_color: "#FFA86A"
+    theme_color: "#FFA86A"
+  windows:
+    generate: true
+    image_path: "assets/appicon/icon.png"
+    icon_size: 192 
+  macos:
+    generate: true
+    image_path: "assets/appicon/icon.png"

pubspec.lock

@@ -129,6 +129,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.3.0"
+  checked_yaml:
+    dependency: transitive
+    description:
+      name: checked_yaml
+      sha256: feb6bed21949061731a7a75fc5d2aa727cf160b91af9a3e464c5e3a32e28b5ff
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.3"
   cli_util:
     dependency: transitive
     description:
@@ -222,6 +230,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.4.1"
+  flutter_launcher_icons:
+    dependency: "direct dev"
+    description:
+      name: flutter_launcher_icons
+      sha256: "526faf84284b86a4cb36d20a5e45147747b7563d921373d4ee0559c54fcdbcea"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.13.1"
   flutter_lints:
     dependency: "direct dev"
     description:
@@ -288,6 +304,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.7.1"
+  json_annotation:
+    dependency: transitive
+    description:
+      name: json_annotation
+      sha256: "1ce844379ca14835a50d2f019a3099f419082cfdd231cd86a142af94dd5c6bb1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.9.0"
   leak_tracker:
     dependency: transitive
     description:

pubspec.yaml

@@ -52,6 +52,7 @@ dev_dependencies:
   # rules and activating additional ones.
   flutter_lints: ^4.0.0
   msix: ^3.16.8
+  flutter_launcher_icons: ^0.13.1
 
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec