Add missing type import

Author: techniq

frontend/src/routes/joins/[slug]/observability/distributions/+page.svelte

@@ -1,5 +1,5 @@
 <script lang="ts">
-	import { connect, type EChartsType } from 'echarts';
+	import { connect, type EChartsType, type EChartOption } from 'echarts';
 	import { queryParameters } from 'sveltekit-search-params';
 
 	import CollapsibleSection from '$lib/components/CollapsibleSection.svelte';