initial project scaffold

Rust workspace with nomina-core (rename engine) and nomina-app (Tauri v2 shell).
React/TypeScript frontend with tabbed rule panels, virtual-scrolled file list,
and Zustand state management. All 9 rule types implemented with 25 passing tests.

ui/vite.config.ts

@@ -0,0 +1,20 @@
+import { defineConfig } from "vite";
+import react from "@vitejs/plugin-react";
+import tailwindcss from "@tailwindcss/vite";
+
+const host = process.env.TAURI_DEV_HOST;
+
+export default defineConfig({
+  plugins: [react(), tailwindcss()],
+
+  clearScreen: false,
+  server: {
+    port: 5173,
+    strictPort: true,
+    host: host || false,
+    hmr: host ? { protocol: "ws", host, port: 5174 } : undefined,
+    watch: {
+      ignored: ["**/crates/**"],
+    },
+  },
+});