feat(stats): show gross earned leave by rule (#67)

src/app/components/calendar-year/calendar-year.scss

@@ -228,6 +228,25 @@ summary:focus-visible {
 .statistics-summary {
 	grid-template-columns: minmax(0, 1fr);
 }
+.earned-leave-breakdown {
+	display: grid;
+	gap: 0.75rem;
+	margin: 0;
+	div {
+		display: flex;
+		justify-content: space-between;
+		gap: 1rem;
+	}
+	dt {
+		min-width: 0;
+		overflow-wrap: anywhere;
+	}
+	dd {
+		margin: 0;
+		font-weight: 600;
+		font-variant-numeric: tabular-nums;
+	}
+}
 
 .placement-explanation,
 .outcome-explanation,