feat(*): Add estimates component

src/components/Estimates.svelte

@@ -0,0 +1,56 @@
+<script lang="ts">
+	export let values: number[] = [1, 2, 3, 5, 8, 13, 21];
+	export let onEstimateClick: (value: number) => void;
+</script>
+
+<div id="estimates-list">
+	<div class="centered-container">
+		{#each values as value}
+			<button
+				class="estimate-card"
+				on:click={() => onEstimateClick(value)}
+				on:keydown={(event) => {
+					if (event.key === 'Enter' || event.key === ' ') {
+						event.preventDefault();
+						onEstimateClick(value);
+					}
+				}}
+				aria-label={`Estimate: ${value}`}
+				tabindex="0"
+			>
+				<p class="value">{value}</p>
+			</button>
+		{/each}
+	</div>
+</div>
+
+<style>
+	.estimate-card {
+		display: flex;
+		flex-direction: column;
+		align-items: center;
+		justify-content: center;
+		width: 60px;
+		height: 80px;
+		border: 1px solid #ccc;
+		border-radius: 8px;
+		margin: 10px;
+		background-color: #6bb0d5;
+		color: #fff;
+		text-align: center;
+		cursor: pointer;
+	}
+
+	.value {
+		font-size: 24px;
+		font-weight: bold;
+		margin: 0;
+	}
+
+	.centered-container {
+		display: flex;
+		justify-content: center;
+		align-items: center;
+		flex-wrap: wrap;
+	}
+</style>