feat: add copy to clipboard option for OIDC client information

frontend/src/lib/components/copy-to-clipboard.svelte

@@ -0,0 +1,41 @@
+<script lang="ts">
+	import * as Tooltip from '$lib/components/ui/tooltip';
+	import { LucideCheck } from 'lucide-svelte';
+	import type { Snippet } from 'svelte';
+
+	let { value, children }: { value: string; children: Snippet } = $props();
+
+	let open = $state(false);
+	let copied = $state(false);
+
+	function onClick() {
+		open = true;
+		copyToClipboard();
+	}
+
+	function onOpenChange(state: boolean) {
+		open = state;
+		if (!state) {
+			copied = false;
+		}
+	}
+
+	function copyToClipboard() {
+		navigator.clipboard.writeText(value);
+		copied = true;
+		setTimeout(() => onOpenChange(false), 1000);
+	}
+</script>
+
+<button onclick={onClick}>
+	<Tooltip.Root closeOnPointerDown={false} {onOpenChange} {open}>
+		<Tooltip.Trigger>{@render children()}</Tooltip.Trigger>
+		<Tooltip.Content onclick={copyToClipboard}>
+			{#if copied}
+				<span class="flex items-center"><LucideCheck class="mr-1 h-4 w-4" /> Copied</span>
+			{:else}
+				<span>Click to copy</span>
+			{/if}
+		</Tooltip.Content>
+	</Tooltip.Root>
+</button>