update sidebar ui

src/lib/components/sidebar.svelte

@@ -12,7 +12,7 @@
 <div class="flex h-full min-w-[350px] flex-col justify-between border-r p-4">
 	<div>
 		<div class="flex items-center justify-between pb-16">
-			<div class="text-xl font-bold">Shortener</div>
+			<div class="text-xl font-bold"><a href="/">Shortener</a></div>
 			<ThemeToggle />
 		</div>
 
@@ -25,6 +25,9 @@
 			>
 		</div>
 	</div>
+
+	<div class="flex flex-col gap-4">
+		<Separator />
 		<div class="flex items-center justify-between">
 			<DropdownMenu.Root>
 				<DropdownMenu.Trigger>
@@ -43,8 +46,9 @@
 					</DropdownMenu.Group>
 				</DropdownMenu.Content>
 			</DropdownMenu.Root>
-		<form method="post" action="?/signout">
+			<form method="post" action="/?/signout">
 				<Button variant="destructive" type="submit">Sign Out</Button>
 			</form>
 		</div>
+	</div>
 </div>