refactor: migrate to stacked architecture.

* feat: mostly done stacked architecture.

* refactor: migration to stacked architecture.

lib/ui/views/patcher/patcher_view.dart

@@ -0,0 +1,53 @@
+import 'package:flutter/material.dart';
+import 'package:google_fonts/google_fonts.dart';
+import 'package:revanced_manager_flutter/ui/views/app_selector/app_selector_view.dart';
+import 'package:revanced_manager_flutter/ui/widgets/app_selector_card.dart';
+import 'package:revanced_manager_flutter/ui/widgets/patch_selector_card.dart';
+import 'package:stacked/stacked.dart';
+
+import 'patcher_viewmodel.dart';
+
+class PatcherView extends StatelessWidget {
+  const PatcherView({Key? key}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return ViewModelBuilder.reactive(
+      builder: (context, PatcherViewModel model, child) => Scaffold(
+        floatingActionButton: FloatingActionButton(
+          onPressed: () {},
+          child: const Icon(
+            Icons.build,
+            color: Colors.white,
+          ),
+        ),
+        body: SafeArea(
+          child: Padding(
+            padding:
+                const EdgeInsets.symmetric(vertical: 12.0, horizontal: 12.0),
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                const SizedBox(height: 12),
+                Text(
+                  "Patcher",
+                  style: GoogleFonts.inter(
+                    fontSize: 28,
+                    fontWeight: FontWeight.w500,
+                  ),
+                ),
+                const SizedBox(height: 23),
+                AppSelectorCard(
+                  onPressed: model.navigateToAppSelector,
+                ),
+                const SizedBox(height: 16),
+                const PatchSelectorCard(),
+              ],
+            ),
+          ),
+        ),
+      ),
+      viewModelBuilder: () => PatcherViewModel(),
+    );
+  }
+}