fix all execpt iosapp

pages/APIBackendDevelopment.tsx

@@ -39,6 +39,7 @@ import { Badge } from "../components/ui/badge";
 import { Button } from "../components/ui/button";
 import { Card, CardContent } from "../components/ui/card";
 import { ShimmerButton } from "../components/ui/shimmer-button";
+import iotDeviceImage from "../src/images/iot-device.webp";
 
 // API & Backend Development Hero Section
 const APIHeroWithCTA = () => {
@@ -941,7 +942,7 @@ const APICaseStudies = () => {
       title: "IoT Device Management Platform",
       client: "SmartTech Solutions",
       description: "Backend infrastructure managing 500K+ connected devices with real-time data processing, device monitoring, and predictive analytics capabilities",
-      image: "https://images.unsplash.com/photo-1518709268805-4e9042af2176?w=400&h=300&fit=crop&auto=format",
+      image: iotDeviceImage,
       results: "500K+ devices managed seamlessly",
       gradient: "from-purple-500/20 to-pink-500/20",
       features: "IoT Integration, Real-time Data, Device Management"