Next.js 16, React 19.2, Identities page, Invitations identities step, PNPM Catalogs (#381)

* Upgraded to Next.js 16
* Refactored code to comply with React 19.2 ESLint rules
* Refactored some useEffect usages with the new useEffectEvent
* Added Identities page and added second step to set up an identity after accepting an invitation
* Updated all dependencies
* Introduced PNPM catalogs for some frequently updated dependencies
* Bugs fixing and improvements

apps/web/lib/root-metadata.ts

@@ -0,0 +1,39 @@
+import { Metadata } from 'next';
+
+import { headers } from 'next/headers';
+
+import appConfig from '~/config/app.config';
+
+/**
+ * @name generateRootMetadata
+ * @description Generates the root metadata for the application
+ */
+export const generateRootMetadata = async (): Promise<Metadata> => {
+  const headersStore = await headers();
+  const csrfToken = headersStore.get('x-csrf-token') ?? '';
+
+  return {
+    title: appConfig.title,
+    description: appConfig.description,
+    metadataBase: new URL(appConfig.url),
+    applicationName: appConfig.name,
+    other: {
+      'csrf-token': csrfToken,
+    },
+    openGraph: {
+      url: appConfig.url,
+      siteName: appConfig.name,
+      title: appConfig.title,
+      description: appConfig.description,
+    },
+    twitter: {
+      card: 'summary_large_image',
+      title: appConfig.title,
+      description: appConfig.description,
+    },
+    icons: {
+      icon: '/images/favicon/favicon.ico',
+      apple: '/images/favicon/apple-touch-icon.png',
+    },
+  };
+};