docs: add example of express

Author: froggy1014

examples/express-example/README.md

@@ -0,0 +1,67 @@
+# Express WhatsApp Bot Example
+
+Express WhatsApp bot using Meta Cloud API with interactive menu.
+
+## Setup
+
+1. **Install dependencies:**
+   ```bash
+   pnpm install
+   ```
+
+2. **Configure environment:**
+   ```bash
+   cp env.example .env
+   ```
+   
+   Add your credentials:
+   ```env
+   CLOUD_API_ACCESS_TOKEN=your_access_token
+   WA_PHONE_NUMBER_ID=your_phone_number_id
+   WEBHOOK_VERIFICATION_TOKEN=your_verification_token
+   ```
+
+3. **Run development server:**
+   ```bash
+   pnpm run dev
+   ```
+
+4. **Expose with ngrok:**
+   ```bash
+   ngrok http 3000
+   ```
+
+5. **Configure webhook:**
+   - URL: `https://your-ngrok-url.ngrok.io/webhook`
+   - Token: `your_verification_token`
+
+## Implementation
+
+Simple Express server that responds to all text messages with an interactive menu:
+
+```typescript
+bot.processor.onMessage(MessageTypesEnum.Text, async (whatsapp, message) => {
+    await whatsapp.messages.markAsRead({ messageId: message.id });
+    await whatsapp.messages.showTypingIndicator({ messageId: message.id });
+
+    const interactiveMessage = new InteractiveMessageBuilder()
+        .setType(InteractiveTypesEnum.List)
+        .setTextHeader('Our Menu')
+        .setBody('Select items from our menu')
+        .setListButtonText('View Menu')
+        .addListSections([...])
+        .build();
+
+    await whatsapp.messages.interactive({
+        to: message.from,
+        body: interactiveMessage,
+    });
+});
+```
+
+## Features
+
+- Interactive menu list response to any text message
+- Read receipts and typing indicators
+- Builder pattern for message construction
+- Simple Express webhook setup

examples/express-example/package.json

@@ -3,11 +3,11 @@
   "version": "1.0.0",
   "private": true,
   "type": "module",
-  "description": "🤖 Simple WhatsApp Echo Bot using meta-cloud-api",
+  "description": "Simple WhatsApp Bot using meta-cloud-api",
   "main": "dist/server.js",
   "scripts": {
     "start": "node dist/server.js",
-    "dev": "NODE_OPTIONS='--no-warnings' nodemon --watch \"src/**/*.ts\" --exec \"ts-node\" src/server.ts",
+    "dev": "NODE_OPTIONS='--no-warnings' nodemon --watch \"src/*.ts\" --exec \"ts-node\" src/server.ts",
     "build": "tsc"
   },
   "dependencies": {