chore: remove unused images, update project image paths to webp format, and enhance accessibility with aria-labels across components

vercel.json

@@ -0,0 +1,29 @@
+{
+  "headers": [
+    {
+      "source": "/(.*)",
+      "headers": [
+        {
+          "key": "Strict-Transport-Security",
+          "value": "max-age=31536000; includeSubDomains; preload"
+        },
+        {
+          "key": "Content-Security-Policy",
+          "value": "default-src 'self'; img-src 'self' data:; script-src 'self'; style-src 'self'; font-src 'self';"
+        },
+        {
+          "key": "X-Content-Type-Options",
+          "value": "nosniff"
+        },
+        {
+          "key": "X-Frame-Options",
+          "value": "SAMEORIGIN"
+        },
+        {
+          "key": "Referrer-Policy",
+          "value": "no-referrer-when-downgrade"
+        }
+      ]
+    }
+  ]
+}