docs(examples): Expanded AI example with rate limit by user ID

examples/nextjs-13-pages-wrap/.env.local.example

@@ -0,0 +1 @@
+ARCJET_KEY=

examples/nextjs-13-pages-wrap/README.md

@@ -25,11 +25,7 @@ Route](https://nextjs.org/docs/pages/building-your-application/routing/api-route
    npm ci
    ```
 
-3. Add your Arcjet key to `.env.local`
-
-   ```env
-   ARCJET_KEY=
-   ```
+3. Rename `.env.local.example` to `.env.local` and add your Arcjet key.
 
 4. Start the dev server.
 

examples/nextjs-13-pages-wrap/environment.d.ts

@@ -0,0 +1,5 @@
+declare namespace NodeJS {
+    export interface ProcessEnv {
+        readonly ARCJET_KEY: string;
+    }
+}

examples/nextjs-13-pages-wrap/next.config.js

@@ -1,6 +1,9 @@
 /** @type {import('next').NextConfig} */
 const nextConfig = {
   reactStrictMode: true,
+  // Disabled due to errors when building. See
+  // https://nextjs.org/docs/messages/failed-loading-swc
+  swcMinify: false,
 }
 
-module.exports = nextConfig
+module.exports = nextConfig