feat: install and configure Inertia.js with React

- Install inertia-laravel, @inertiajs/react, react, @vitejs/plugin-react
- Add HandleInertiaRequests middleware registered in web group
- Create Inertia root template (resources/views/app.blade.php)
- Add React entry point and page components (resources/js/)
- Add Inertia demo route (/inertia-test)
- HomeController reverted to Blade (index page stays original)
- Remove inertia-test2 test route

vite.config.js

@@ -1,5 +1,6 @@
 import { defineConfig } from "vite";
 import laravel from "laravel-vite-plugin";
+import react from "@vitejs/plugin-react";
 import path from "path";
 import tailwindcss from "@tailwindcss/postcss";
 import autoprefixer from "autoprefixer";
@@ -10,6 +11,7 @@ export default defineConfig({
       input: [
         "resources/css/global.css",
         "resources/js/global.js",
+        "resources/js/ssr.jsx",
         "resources/themes/atom/css/app.css",
         "resources/themes/atom/js/app.js",
         "resources/themes/dusk/css/app.css",
@@ -17,6 +19,8 @@ export default defineConfig({
       ],
     }),
 
+    react(),
+
     {
       name: "blade",
       handleHotUpdate({ file, server }) {