create howtoplay component

src/app/components/HowToPlay.tsx

@@ -0,0 +1,35 @@
+import { useLanguage } from "@/LanguageContext";
+import { translations } from "@/translations";
+import React from "react";
+
+interface HowToPlayProps {
+  open: boolean;
+  onClose: () => void;
+}
+
+const HowToPlay: React.FC<HowToPlayProps> = ({ open, onClose }) => {
+  const { language } = useLanguage();
+  const t = translations[language];
+  if (!open) return null;
+  return (
+    <div className="fixed inset-0 z-50 flex items-center justify-center bg-black/80" onClick={onClose}>
+      <div className="relative max-w-md rounded-lg bg-gray-300 p-8" onClick={(e) => e.stopPropagation()}>
+        <button
+          onClick={onClose}
+          className="absolute top-2 right-4 cursor-pointer text-4xl text-gray-500 hover:text-gray-900"
+          aria-label="Close"
+        >
+          &times;
+        </button>
+        <p className="text-accent mb-4 text-2xl font-bold">{t.howToPlayTitle}</p>
+        <ul className="list-disc space-y-2 text-gray-700">
+          <li>{t.howToPlay1}</li>
+          <li>{t.howToPlay2}</li>
+          <li>{t.howToPlay3}</li>
+        </ul>
+      </div>
+    </div>
+  );
+};
+
+export default HowToPlay;