Add components and improve error page

src/routes/+page.svelte

@@ -1 +1,19 @@
+<script lang="ts">
+	import Button from '$lib/components/ui/Button.svelte';
+	import Textbox from '$lib/components/ui/Textbox.svelte';
+	import BaseCard from '$lib/components/ui/cards/BaseCard.svelte';
+
+	function test() {
+		console.log('Button Clicked');
+	}
+</script>
+
+<br /><br /><br />
+<Button>Default</Button>
+<Button color={'brand'} onclick={test}>Brand</Button>
+<Button color={'accent'}>Accent</Button>
+<Textbox placeholder={"Textbox am I"} uppercase={true} error={""} />
+
+<BaseCard header={"Hello"} helpText={"This is help text"}>Hello</BaseCard>
+
 <h2>OwlBoard</h2>