feat: Add images to About and Contact pages

- Add handshake image to About page Company Introduction section
- Add cars-export image as background in Contact page Business Partnership section

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

frontend/src/app/about/page.tsx

@@ -72,11 +72,24 @@ export default function AboutPage() {
 
       {/* Company Introduction */}
       <div className="container mx-auto px-4 py-16">
-        <div className="max-w-4xl mx-auto">
+        <div className="max-w-6xl mx-auto">
           <div className="bg-white rounded-lg shadow-md p-8 md:p-12">
-            <h2 className="text-2xl font-bold text-gray-800 mb-6">{t.companyIntro}</h2>
+            <div className="grid grid-cols-1 lg:grid-cols-2 gap-8 items-center">
+              {/* Image Section */}
+              <div className="relative h-64 lg:h-80 rounded-lg overflow-hidden shadow-lg">
+                <Image
+                  src="/images/handshake.png"
+                  alt="Global Partnership"
+                  fill
+                  className="object-cover"
+                  priority
+                />
+              </div>
 
-            <div className="prose max-w-none text-gray-600">
+              {/* Text Section */}
+              <div>
+                <h2 className="text-2xl font-bold text-gray-800 mb-6">{t.companyIntro}</h2>
+                <div className="prose max-w-none text-gray-600">
               {language === 'ko' ? (
                 <>
                   <p className="mb-4">
@@ -152,6 +165,8 @@ export default function AboutPage() {
                   </p>
                 </>
               )}
+                </div>
+              </div>
             </div>
           </div>
         </div>