Merge pull request '[feat] changement de la couleur du thème' (#3) from feat-Changer-la-couleur-du-thème-#2 into main

Reviewed-on: #3

lib/main.dart

@@ -28,7 +28,7 @@ class MyApp extends StatelessWidget {
         //
         // This works for code too, not just values: Most code changes can be
         // tested with just a hot reload.
-        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
+        colorScheme: ColorScheme.fromSeed(seedColor: Colors.green),
       ),
       home: const MyHomePage(title: 'Flutter Demo Home Page'),
     );