Add and integrate actual PozoApp brand logo

flutter_app/lib/screens/welcome_screen.dart

@@ -206,49 +206,21 @@ class _WelcomeScreenState extends State<WelcomeScreen> with SingleTickerProvider
           width: 80,
           height: 80,
           decoration: BoxDecoration(
-            color: theme.colorScheme.primary,
             borderRadius: BorderRadius.circular(20),
             boxShadow: [
               BoxShadow(
-                color: theme.colorScheme.primary.withOpacity(0.15),
-                blurRadius: 24,
-                offset: const Offset(0, 8),
+                color: Colors.black.withOpacity(0.12),
+                blurRadius: 20,
+                offset: const Offset(0, 6),
               )
             ],
           ),
-          alignment: Alignment.center,
-          child: Stack(
-            clipBehavior: Clip.none,
-            children: [
-              Text(
-                'Pozo',
-                style: theme.textTheme.headlineMedium?.copyWith(
-                  color: Colors.white,
-                  fontWeight: FontWeight.w800,
-                  letterSpacing: -1.0,
-                ),
-              ),
-              Positioned(
-                top: -16,
-                right: -16,
-                child: Container(
-                  padding: const EdgeInsets.all(4),
-                  decoration: BoxDecoration(
-                    color: Colors.amber[700],
-                    shape: BoxShape.circle,
-                    border: Border.all(color: Colors.white, width: 2),
-                  ),
-                  child: const Text(
-                    'IN',
-                    style: TextStyle(
-                      color: Colors.white,
-                      fontSize: 8,
-                      fontWeight: FontWeight.bold,
-                    ),
-                  ),
-                ),
-              )
-            ],
+          child: ClipRRect(
+            borderRadius: BorderRadius.circular(20),
+            child: Image.asset(
+              'assets/logo/pozo_logo.jpg',
+              fit: BoxFit.cover,
+            ),
           ),
         ),
       ),

flutter_app/pubspec.yaml

@@ -21,3 +21,5 @@ dev_dependencies:
 
 flutter:
   uses-material-design: true
+  assets:
+    - assets/logo/