Add sauna

webui/src/lib/Header.svelte

@@ -0,0 +1,22 @@
+<script>
+    import perinetLogo from '../../static/perinet-logo.png'
+    import favicon from '../../static/favicon.png'
+</script>
+
+<header class="header">
+    <!-- <a href="https://www.perinet.io" target="_blank" class="logo">
+        <img src={perinetLogo} alt="Perinet Logo" width="180">
+    </a>
+
+    <link rel="shortcut icon" type="image/png" href={favicon} /> -->
+
+    <input class="menu-btn" type="checkbox" id="menu-btn" />
+
+    <!-- <label class="menu-icon" for="menu-btn"><span class="nav-icon"></span></label> -->
+
+    <ul class="menu">
+        <li><a href="/">Home</a></li>
+        <li><a href="/sauna">Sauna</a></li>
+        <!-- <li><a href="/chicken">Chicken</a></li> -->
+    </ul>
+</header>