chore: fix site

Author: ota-meshi

package.json

@@ -94,6 +94,7 @@
     "@sindresorhus/slugify": "^2.1.0",
     "@sveltejs/adapter-static": "^3.0.1",
     "@sveltejs/kit": "^2.3.0",
+    "@sveltejs/vite-plugin-svelte": "^3.0.1",
     "@types/babel__core": "^7.1.19",
     "@types/cross-spawn": "^6.0.2",
     "@types/escape-html": "^1.0.2",