docs: Improving IapExample Readme.md (hyochan#2692)

Added Steps for installing node_modules and IOS pods in README.md of
IapExample.

IapExample/README.md

@@ -1,10 +1,30 @@
 This is a new [**React Native**](https://reactnative.dev) project, bootstrapped using [`@react-native-community/cli`](https://github.com/react-native-community/cli).
 
-# Getting Started
+# Getting Started with IapExample
 
 >**Note**: Make sure you have completed the [React Native - Environment Setup](https://reactnative.dev/docs/environment-setup) instructions till "Creating a new application" step, before proceeding.
 
-## Step 1: Start the Metro Server
+## Step 1: Install dependencies
+
+Install _node_modules_ :
+
+```bash
+# using npm
+npm install
+
+# OR using Yarn
+yarn install
+```
+
+### For iOS
+
+Install pods:
+```bash
+cd ios
+pod install
+```
+
+## Step 2: Start the Metro Server
 
 First, you will need to start **Metro**, the JavaScript _bundler_ that ships _with_ React Native.
 
@@ -18,18 +38,18 @@ npm start
 yarn start
 ```
 
-## Step 2: Start your Application
+## Step 3: Start your Application
 
 Let Metro Bundler run in its _own_ terminal. Open a _new_ terminal from the _root_ of your React Native project. Run the following command to start your _Android_ or _iOS_ app:
 
 ### For Android
 
 ```bash
 # using npm
-npm run android
+npm run android:play
 
 # OR using Yarn
-yarn android
+yarn android:play
 ```
 
 ### For iOS
@@ -46,7 +66,7 @@ If everything is set up _correctly_, you should see your new app running in your
 
 This is one way to run your app — you can also run it directly from within Android Studio and Xcode respectively.
 
-## Step 3: Modifying your App
+## Step 4: Modifying your App
 
 Now that you have successfully run the app, let's modify it.