Add new UI components: Card and Checkbox; enhance Input and Button with additional props

app/ui/Card.vue

@@ -0,0 +1,23 @@
+<script setup lang="ts">
+interface CardProps {
+	width?: string
+}
+
+const props = defineProps<CardProps>()
+</script>
+
+<template>
+	<article class="card" :style="{ width: props.width }">
+		<slot />
+	</article>
+</template>
+
+<style lang="scss" scoped>
+@use "@/styles/variables" as *;
+
+.card {
+	border: 1px solid $color-border;
+	border-radius: $standard-border-radius;
+	padding: 1rem;
+}
+</style>