fix: update image references in index.html for consistency

Author: devshafi

index.html

@@ -15,15 +15,15 @@
   <meta property="og:description" content="PhD student in Computing at Queen&rsquo;s University, researching AI-driven cybersecurity for cyber-physical systems using generative AI and deep neural networks, with applications in connected vehicles/Internet of Vehicles.">
   <meta property="og:url" content="https://devshafi.github.io/">
   <meta property="og:site_name" content="Fozle Rabbi Shafi Portfolio">
-  <meta property="og:image" content="https://devshafi.github.io/assets/shafi_image.jpg">
+  <meta property="og:image" content="https://devshafi.github.io/assets/shafi-pp.jpg">
 
   <meta name="twitter:card" content="summary_large_image">
   <meta name="twitter:title" content="Fozle Rabbi Shafi | AI & Cybersecurity Research Portfolio">
   <meta name="twitter:description" content="PhD student in Computing at Queen&rsquo;s University, researching AI-driven cybersecurity for cyber-physical systems using generative AI and deep neural networks, with applications in connected vehicles/Internet of Vehicles.">
-  <meta name="twitter:image" content="https://devshafi.github.io/assets/shafi_image.jpg">
+  <meta name="twitter:image" content="https://devshafi.github.io/assets/shafi-pp.jpg">
   <link rel="icon" type="image/svg+xml" href="assets/favicon.svg">
 
-  <link rel="preload" as="image" href="assets/shafi_image.jpg">
+  <link rel="preload" as="image" href="assets/shafi-pp.jpg">
   <link rel="preconnect" href="https://fonts.googleapis.com">
   <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
   <link href="https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;700&family=Sora:wght@400;600;700&display=swap" rel="stylesheet">
@@ -42,7 +42,7 @@
       "@type": "Person",
       "name": "Fozle Rabbi Shafi",
       "url": "https://devshafi.github.io/",
-      "image": "https://devshafi.github.io/assets/shafi_image.jpg",
+      "image": "https://devshafi.github.io/assets/shafi-pp.jpg",
       "email": "mailto:f.shafi@queensu.ca",
       "telephone": "+1 613 561 6661",
       "jobTitle": "PhD Student in Computing",
@@ -145,7 +145,7 @@ <h1>Fozle Rabbi Shafi</h1>
           </div>
         </div>
         <figure class="hero-photo-wrap">
-          <img class="hero-photo" src="assets/shafi_image.jpg" alt="Portrait of Fozle Rabbi Shafi" loading="lazy" decoding="async">
+          <img class="hero-photo" src="assets/shafi-pp.jpg" alt="Portrait of Fozle Rabbi Shafi" loading="lazy" decoding="async">
         </figure>
       </div>
     </section>