Load theme when navbar is closed

Previously, ThemeToggle only rendered when the navbar was open. Since it handles the theme code, the saved theme wouldn't load automatically on smaller screens.

src/lib/Nav/Nav.svelte

@@ -84,6 +84,8 @@
 >
 	<!-- Slot for the progress bar -->
 	<slot />
+
+	<!-- Nav without links -->
 	<div class="flex items-center justify-between w-full">
 		<Logo />
 		<button
@@ -97,7 +99,9 @@
 			/>
 		</button>
 	</div>
-	{#if showMenu}
+
+	<!-- Nav with links -->
+	<div class={showMenu ? "contents" : "hidden"}>
 		<div
 			class="
 			{linkContainerStyles}
@@ -116,7 +120,7 @@
 			{/each}
 			<ThemeToggle />
 		</div>
-	{/if}
+	</div>
 </nav>
 
 <noscript>