build opts: external force-graph dep

vite.config.ts

@@ -2,6 +2,11 @@ import { sveltekit } from '@sveltejs/kit/vite';
 import { defineConfig } from 'vite';
 
 export default defineConfig({
+	build: {
+		rollupOptions: {
+			external: ['force-graph']
+		}
+	},
 	plugins: [sveltekit()],
 	server: {
 		proxy: {