feat : Adding theme and header

lib/ui/common/images.dart

@@ -0,0 +1,5 @@
+class Images {
+  Images._();
+
+  static const String logoSvg = 'assets/images/logo.svg';
+}

lib/ui/views/main/main_view.dart

@@ -1,6 +1,8 @@
 import 'package:bahla_front/ui/views/home/home_view.dart';
 import 'package:flutter/material.dart';
 import 'package:stacked/stacked.dart';
+import 'package:bahla_front/ui/common/images.dart';
+import 'package:flutter_svg/flutter_svg.dart';
 
 import 'main_viewmodel.dart';
 
@@ -14,24 +16,56 @@ class MainView extends StackedView<MainViewModel> {
     Widget? child,
   ) {
     return Scaffold(
+      appBar: AppBar(
+        /*title: Text(
+          'Bahla',
+          style: Theme.of(context).textTheme.headlineMedium!.copyWith(
+                color: Theme.of(context).colorScheme.inverseSurface,
+              ),
+          ),*/
+        title: Row(
+          mainAxisAlignment: MainAxisAlignment.start,
+          children: [
+            SvgPicture.asset(
+              Images.logoSvg,
+              //width: 100,
+              height: 60,
+              fit: BoxFit.contain,
+              alignment: Alignment.centerLeft,
+            ),
+          ],
+        ),
+        centerTitle: false,
+        backgroundColor: Theme.of(context).colorScheme.background,
+        shape: Border(
+          bottom: BorderSide(
+            color: Theme.of(context).colorScheme.outline,
+            width: 0.2,
+          ),
+        ),
+      ),
       backgroundColor: Theme.of(context).colorScheme.background,
       bottomNavigationBar: BottomNavigationBar(
         type: BottomNavigationBarType.fixed,
-        backgroundColor: Colors.grey[800],
+        backgroundColor: Theme.of(context).colorScheme.background,
         currentIndex: viewModel.currentIndex,
         onTap: viewModel.setIndex,
+        showSelectedLabels: false,
+        showUnselectedLabels: false,
+        iconSize: 35,
         items: [
           BottomNavigationBarItem(
             icon: Icon(Icons.home),
             label: 'Home',
+            
           ),
           BottomNavigationBarItem(
             icon: Icon(Icons.search),
             label: 'Search',
           ),
           BottomNavigationBarItem(
-            icon: Icon(Icons.add),
-            label: 'Add',
+            icon: Icon(Icons.favorite_border),
+            label: 'Favorites',
           ),
           BottomNavigationBarItem(
             icon: Icon(Icons.account_circle),