Update README.md

Author: ruskibenya

README.md

@@ -1 +1,41 @@
-# tutorial-messages-node-rcs_standalone-rich-card
+# How to Send Standalone RCS Rich Cards with Node.js
+A node application that allows you to send and receive Rich Communications Services suggested reply messages.
+
+> You can find full step-by-step instructions on the [Vonage Developer Blog](https://developer.vonage.com/en/blog).
+
+
+
+## Prerequisites
+1. [Node.js installed on your machine.](https://nodejs.org/en/download)
+2. [ngrok installed for exposing your local server to the internet.](https://ngrok.com/downloads/mac-os)
+3. [Vonage Developer Account](https://developer.vonage.com/sign-up)
+4. A registered RCS Business Messaging (RBM) Agent.
+5. A phone with RCS capabilities for testing.
+
+
+
+## Instructions
+1. Clone this repo
+2. Initialize your Node application and install dependencies:
+```
+npm init -y
+npm install express dotenv @vonage/server-sdk
+```
+4. Rename the `.env.example` file to `.env`, and add your `VONAGE_APPLICATION_ID` and `RCS_SENDER_ID` values.
+5. Add your `private.key` file in the root of the project directory.
+6. Start your Node server:
+```
+node index.js
+```
+7. Create a tunnel using ngrok:
+```
+ngrok http 3000
+```
+8. Test your app by sending an RCS suggested reply from the command line:
+```
+curl -X POST https://**YOUR_NGROK_URL***/send-standalone-rich-card \
+  -H "Content-Type: application/json" \
+  -d '{
+    "to": "**YOUR_RCS_TEST_NUMBER"
+}'
+```