Setup to handle app window on desktop (#1028)

provider_shopper/pubspec.lock

@@ -81,6 +81,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.12.11"
+  material_color_utilities:
+    dependency: transitive
+    description:
+      name: material_color_utilities
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.3"
   meta:
     dependency: transitive
     description:
@@ -101,7 +108,7 @@ packages:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0"
+    version: "1.8.1"
   provider:
     dependency: "direct main"
     description:
@@ -155,7 +162,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.3"
+    version: "0.4.9"
   typed_data:
     dependency: transitive
     description:
@@ -170,6 +177,15 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.1"
+  window_size:
+    dependency: "direct main"
+    description:
+      path: "plugins/window_size"
+      ref: "03d957e8b5c99fc83cd4a781031b154ab3de8753"
+      resolved-ref: "03d957e8b5c99fc83cd4a781031b154ab3de8753"
+      url: "https://github.com/google/flutter-desktop-embedding.git"
+    source: git
+    version: "0.1.0"
 sdks:
   dart: ">=2.14.0 <3.0.0"
   flutter: ">=1.16.0"