Add static deployment build and guide

vite.static.config.ts

@@ -0,0 +1,16 @@
+import { fileURLToPath } from "node:url";
+import { dirname, resolve } from "node:path";
+import { defineConfig } from "vite";
+import react from "@vitejs/plugin-react";
+
+const projectRoot = dirname(fileURLToPath(import.meta.url));
+
+export default defineConfig({
+  root: resolve(projectRoot, "static"),
+  plugins: [react()],
+  publicDir: resolve(projectRoot, "public"),
+  build: {
+    outDir: resolve(projectRoot, "dist-static"),
+    emptyOutDir: true,
+  },
+});