added sidebar component, added individual workspace page

src/lib/components/ui/dropdown-menu/dropdown-menu-radio-item.svelte

@@ -0,0 +1,33 @@
+<script lang="ts">
+	import { DropdownMenu as DropdownMenuPrimitive } from "bits-ui";
+	import CircleIcon from "@lucide/svelte/icons/circle";
+	import { cn, type WithoutChild } from "$lib/utils.js";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		children: childrenProp,
+		...restProps
+	}: WithoutChild<DropdownMenuPrimitive.RadioItemProps> = $props();
+</script>
+
+<DropdownMenuPrimitive.RadioItem
+	bind:ref
+	data-slot="dropdown-menu-radio-item"
+	class={cn(
+		"focus:bg-accent focus:text-accent-foreground outline-hidden relative flex cursor-default select-none items-center gap-2 rounded-sm py-1.5 pe-2 ps-8 text-sm data-[disabled]:pointer-events-none data-[disabled]:opacity-50 [&_svg:not([class*='size-'])]:size-4 [&_svg]:pointer-events-none [&_svg]:shrink-0",
+		className
+	)}
+	{...restProps}
+>
+	{#snippet children({ checked })}
+		<span
+			class="pointer-events-none absolute start-2 flex size-3.5 items-center justify-center"
+		>
+			{#if checked}
+				<CircleIcon class="size-2 fill-current" />
+			{/if}
+		</span>
+		{@render childrenProp?.({ checked })}
+	{/snippet}
+</DropdownMenuPrimitive.RadioItem>