refactor(website): move back into website2

apps/website2/src/components/Header.tsx

@@ -0,0 +1,26 @@
+import "./Header.css";
+import { useLocation } from 'preact-iso';
+import DownloadButton from './DownloadButton';
+
+export function Header() {
+	const { url } = useLocation();
+
+	return (
+		<header>
+            <div class="content-wrapper">
+                <img src="./src/assets/icon-color.svg" width="300" height="300" />&nbsp;<span>Trilium Notes</span>
+
+                <nav>
+                    <a href="/" class={url == '/' && 'active'}>
+                        Home
+                    </a>
+                    <a href="/404" class={url == '/404' && 'active'}>
+                        404
+                    </a>
+                </nav>
+
+                <DownloadButton />
+            </div>
+		</header>
+	);
+}