feat: add RocketIcon to Header component and update metadata with application icon

src/components/ui/RocketIcon.tsx

@@ -0,0 +1,23 @@
+import { SVGProps } from 'react';
+
+export function RocketIcon({ className, ...props }: SVGProps<SVGSVGElement>) {
+  return (
+    <svg
+      xmlns="http://www.w3.org/2000/svg"
+      viewBox="0 0 24 24"
+      fill="none"
+      stroke="currentColor"
+      strokeWidth="2"
+      strokeLinecap="round"
+      strokeLinejoin="round"
+      className={className}
+      aria-hidden
+      {...props}
+    >
+      <path d="M4.5 16.5c-1.5 1.26-2 5-2 5s3.74-.5 5-2c.71-.84.7-2.13-.09-2.91a2.18 2.18 0 0 0-2.91-.09z" />
+      <path d="m12 15-3-3a22 22 0 0 1 2-3.95A12.88 12.88 0 0 1 22 2c0 2.72-.78 7.5-6 11a22.35 22.35 0 0 1-4 2z" />
+      <path d="M9 12H4s.55-3.03 2-4c1.62-1.08 5 0 5 0" />
+      <path d="M12 15v5s3.03-.55 4-2c1.08-1.62 0-5 0-5" />
+    </svg>
+  );
+}