Implemented ThemeSwitcher

src/app/components/themeswitcher.tsx

@@ -0,0 +1,19 @@
+"use client";
+
+import React from 'react';
+
+export default function ThemeSwitcher(){
+	const [theme, setTheme] = React.useState("dark");
+
+	React.useEffect(() => {document.body.setAttribute("data-theme", theme)});
+
+	return(
+		<ul className="p-2 right-0 text-base-content">
+			<li><a onClick={() => setTheme("light")}>Light</a></li>
+			<li><a onClick={() => setTheme("dark")}>Dark</a></li>
+			<li><a onClick={() => setTheme("synthwave")}>Synthwave</a></li>
+			<li><a onClick={() => setTheme("cyberpunk")}>Cyberpunk</a></li>
+			<li><a onClick={() => setTheme("valentine")}>Valentine</a></li>
+		</ul>
+	);
+}