added custom placeholder

Author: Pavel401

lib/main.dart

@@ -14,6 +14,7 @@ import 'package:taskwarrior/controller/onboarding_controller.dart';
 import 'package:taskwarrior/routes/pageroute.dart';
 import 'package:taskwarrior/views/Onboarding/onboarding_screen.dart';
 import 'package:taskwarrior/views/profile/profile.dart';
+import 'package:taskwarrior/widgets/app_placeholder.dart';
 import 'package:uuid/uuid.dart';
 
 import 'package:taskwarrior/services/notification_services.dart';
@@ -54,7 +55,7 @@ Future main([List<String> args = const []]) async {
               baseDirectory: testingDirectory ?? snapshot.data!,
               child: const MyApp(),
             )
-          : const Placeholder(),
+          : const AppSetupPlaceholder(),
     ),
   );
 }

lib/widgets/app_placeholder.dart

@@ -0,0 +1,43 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_svg/flutter_svg.dart';
+import 'package:google_fonts/google_fonts.dart';
+import 'package:taskwarrior/config/app_settings.dart';
+import 'package:taskwarrior/widgets/pallete.dart';
+
+class AppSetupPlaceholder extends StatelessWidget {
+  const AppSetupPlaceholder({Key? key}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      home: Scaffold(
+        backgroundColor:
+            AppSettings.isDarkMode ? Palette.kToDark.shade200 : Colors.white,
+        body: Center(
+          child: Column(
+            mainAxisAlignment: MainAxisAlignment.center,
+            children: [
+              SizedBox(
+                  child: SvgPicture.asset(
+                "assets/svg/logo.svg",
+                height: 100,
+                width: double.infinity,
+              )),
+              const SizedBox(height: 30.0),
+              const CircularProgressIndicator(),
+              const SizedBox(height: 16.0),
+              Text(
+                "Setting up the app...",
+                style: GoogleFonts.poppins(
+                  fontWeight: FontWeight.bold,
+                  fontSize: 18,
+                  color: AppSettings.isDarkMode ? Colors.white : Colors.black,
+                ),
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}