docs: fix vite config

Author: brnrdog

docs-website/vite.config.js

@@ -1,12 +1,17 @@
-import { defineConfig } from "vite"
+import { defineConfig } from "vite";
 
 export default defineConfig({
   base: "/rescript-signals/",
+  server: {
+    port: 3000,
+  },
   build: {
     outDir: "build/client",
-    emptyOutDir: true,
   },
-  server: {
-    port: 3000,
+  resolve: {
+    preserveSymlinks: true,
+  },
+  ssr: {
+    noExternal: ["xote", "rescript-signals", "basefn"],
   },
-})
+});