fix: all empty states now come from a common component

frontend/src/components/EmptyState.vue

@@ -0,0 +1,24 @@
+<template>
+	<div class="flex flex-col items-center justify-center mt-60">
+		<GraduationCap class="size-10 mx-auto stroke-1 text-ink-gray-5" />
+		<div class="text-lg font-semibold text-ink-gray-7 mb-2.5">
+			{{ __('No {0}').format(type?.toLowerCase()) }}
+		</div>
+		<div
+			class="leading-5 text-base w-2/5 text-base text-center text-ink-gray-7"
+		>
+			{{
+				__(
+					'There are no {0} currently. Keep an eye out, fresh learning experiences are on the way!'
+				).format(type?.toLowerCase())
+			}}
+		</div>
+	</div>
+</template>
+<script setup lang="ts">
+import { BookOpen, GraduationCap } from 'lucide-vue-next'
+
+const props = defineProps({
+	type: String,
+})
+</script>