feat(ui_kit): update example with drawer and custom launch parameters

packages/wyatt_ui_kit/example/lib/buttons/buttons.dart

@@ -36,38 +36,43 @@ class Buttons extends StatelessWidget {
   const Buttons({super.key});
 
   @override
-  Widget build(BuildContext context) => Column(
+  Widget build(BuildContext context) => ListView(
         children: [
-          Text(
-            'Buttons',
-            style: Theme.of(context).textTheme.titleLarge,
+          const Gap(20),
+          Align(
+            child: Text(
+              'Buttons',
+              style: Theme.of(context).textTheme.titleLarge,
+            ),
           ),
           const Gap(20),
-          FlatButton(
-            label: const TextWrapper('Voir notre savoir faire'),
-            normalStyle: const FlatButtonStyle(
-              foregroundColors: MultiColor(_colors),
-              backgroundColors: MultiColor.single(Colors.transparent),
-              borderColors: MultiColor(_colors),
-              stroke: 3,
-            ),
-            hoveredStyle: const FlatButtonStyle(
-              foregroundColors: MultiColor.single(Colors.white),
-              backgroundColors: MultiColor(_colors),
-              borderColors: MultiColor(_colors),
-              stroke: 3,
-            ),
-            tappedStyle: const FlatButtonStyle(
-              foregroundColors: MultiColor.single(Colors.white),
-              backgroundColors: MultiColor(_colorsDarken),
-              borderColors: MultiColor(_colorsDarken),
-              stroke: 3,
-            ),
-            prefix: const Icon(
-              Icons.arrow_forward_rounded,
-            ),
-            suffix: const Icon(
-              Icons.arrow_forward_rounded,
+          Center(
+            child: FlatButton(
+              label: const TextWrapper('Voir notre savoir faire'),
+              normalStyle: const FlatButtonStyle(
+                foregroundColors: MultiColor(_colors),
+                backgroundColors: MultiColor.single(Colors.transparent),
+                borderColors: MultiColor(_colors),
+                stroke: 3,
+              ),
+              hoveredStyle: const FlatButtonStyle(
+                foregroundColors: MultiColor.single(Colors.white),
+                backgroundColors: MultiColor(_colors),
+                borderColors: MultiColor(_colors),
+                stroke: 3,
+              ),
+              tappedStyle: const FlatButtonStyle(
+                foregroundColors: MultiColor.single(Colors.white),
+                backgroundColors: MultiColor(_colorsDarken),
+                borderColors: MultiColor(_colorsDarken),
+                stroke: 3,
+              ),
+              prefix: const Icon(
+                Icons.arrow_forward_rounded,
+              ),
+              suffix: const Icon(
+                Icons.arrow_forward_rounded,
+              ),
             ),
           ),
           const Gap(20),