Added themes coffee and dim

src/app/components/themeswitcher.tsx

@@ -16,6 +16,8 @@ export default function ThemeSwitcher(){
 			<li><a onClick={() => setTheme("valentine")}>Valentine</a></li>
 			<li><a onClick={() => setTheme("pastel")}>Pastel</a></li>
 			<li><a onClick={() => setTheme("aqua")}>Aqua</a></li>
+			<li><a onClick={() => setTheme("coffee")}>Coffee</a></li>
+			<li><a onClick={() => setTheme("dim")}>Dim</a></li>
 		</ul>
 	);
 }