Fully replace gulp with vite

dashboard/vite.config.mjs

@@ -0,0 +1,22 @@
+import { defineConfig } from 'vite';
+import { resolve } from 'path';
+
+// https://vitejs.dev/config/
+export default defineConfig({
+  // https://vitejs.dev/guide/build.html#multi-page-app
+  build: {
+    rollupOptions: {
+      input: {
+        activation: resolve('activation.html'),
+        appstatus: resolve('appstatus.html'),
+        authcallback: resolve('authcallback.html'),
+        index: resolve('index.html'),
+        notfound: resolve('notfound.html'),
+        passwordreset: resolve('passwordreset.html'),
+        restore: resolve('restore.html'),
+        setup: resolve('setup.html'),
+        setupaccount: resolve('setupaccount.html'),
+      },
+    },
+  },
+});