Added settings tab

lib/src/page/settings_page.dart

@@ -0,0 +1,86 @@
+import 'dart:io';
+
+import 'package:fluent_ui/fluent_ui.dart';
+import 'package:flutter/foundation.dart';
+import 'package:get/get.dart';
+import 'package:reboot_launcher/src/controller/settings_controller.dart';
+import 'package:reboot_launcher/src/widget/file_selector.dart';
+import 'package:reboot_launcher/src/widget/smart_switch.dart';
+
+class SettingsPage extends StatelessWidget {
+  final SettingsController _settingsController = Get.find<SettingsController>();
+
+  SettingsPage({Key? key}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Stack(
+      children: [
+       Form(
+         autovalidateMode: AutovalidateMode.always,
+         child:  Column(
+           mainAxisAlignment: MainAxisAlignment.spaceBetween,
+           crossAxisAlignment: CrossAxisAlignment.start,
+           children: [
+             FileSelector(
+                 label: "Reboot DLL",
+                 placeholder: "Type the path to the reboot dll",
+                 controller: _settingsController.rebootDll,
+                 windowTitle: "Select a dll",
+                 folder: false,
+                 extension: "dll",
+                 validator: _checkDll
+             ),
+
+             FileSelector(
+                 label: "Console DLL",
+                 placeholder: "Type the path to the console dll",
+                 controller: _settingsController.consoleDll,
+                 windowTitle: "Select a dll",
+                 folder: false,
+                 extension: "dll",
+                 validator: _checkDll
+             ),
+
+             FileSelector(
+                 label: "Cranium DLL",
+                 placeholder: "Type the path to the cranium dll",
+                 controller: _settingsController.craniumDll,
+                 windowTitle: "Select a dll",
+                 folder: false,
+                 extension: "dll",
+                 validator: _checkDll
+             ),
+
+             SmartSwitch(
+                 value: _settingsController.autoUpdate,
+                 label: "Update DLLs"
+             ),
+           ],
+         )
+       ),
+
+        const Align(
+            alignment: Alignment.bottomRight,
+            child: Text("Version 3.11${kDebugMode ? '-DEBUG' : ''}")
+        )
+      ],
+    );
+  }
+
+  String? _checkDll(String? text) {
+    if (text == null || text.isEmpty) {
+      return "Empty dll path";
+    }
+
+    if (!File(text).existsSync()) {
+      return "This dll doesn't exist";
+    }
+
+    if (!text.endsWith(".dll")) {
+      return "This file is not a dll";
+    }
+
+    return null;
+  }
+}