Restructure shared Astro sources and import aliases (#2737)

shared/ui/DropdownDays.astro

@@ -0,0 +1,27 @@
+---
+// Equivalent of parts/dropdown/days.html
+interface Props {
+	id?: string;
+	label?: string;
+	value?: string;
+}
+
+const { id, label = 'Select time range', value = 'Last 7 days' } = Astro.props;
+---
+
+<div class="dropdown">
+	<a
+		class="dropdown-toggle text-secondary"
+		id={id ? `${id}-dropdown` : undefined}
+		href="#"
+		data-bs-toggle="dropdown"
+		aria-haspopup="true"
+		aria-expanded="false"
+		aria-label={label}
+	>{value}</a>
+	<div class="dropdown-menu dropdown-menu-end" aria-labelledby={id ? `${id}-dropdown` : undefined}>
+		<a class="dropdown-item active" href="#" aria-current="true">Last 7 days</a>
+		<a class="dropdown-item" href="#">Last 30 days</a>
+		<a class="dropdown-item" href="#">Last 3 months</a>
+	</div>
+</div>