message: feat: development environment setup steps
diff: @@ -112,19 +112,13 @@ You are now ready to send PR to NativeBase!
  - Fork this repository.
  -- Move over to the TestBed App [here](https://github.com/GeekyAnts/native-base-testbed) and clone it:
  -
  - ```bash
  - cd native-base-testbed and npm install
  - ```
  -
  - Clone your fork of NativeBase:
  ```git
  git clone git@github.com:${YOUR_USERNAME}/NativeBase.git
  ```
  -- Navigate to NativeBas:e
  +- Navigate to NativeBase
  ```
  cd NativeBase/
  @@ -139,14 +133,41 @@ You are now ready to send PR to NativeBase!
  - Install dependencies:
  ```bash
  - npm install
  + yarn
  + ```
  +
  +- Move over to the TestBed Example App :
  +
  + ```bash
  + cd example
  + yarn
  + ```
  +
  +- Navigate back to your app:
  +
  + ```bash
  + cd ..
  ```
  -* Navigate to your app:
  +- Start the Example App:
  +
  + ```bash
  + yarn example start
  + ```
  + - For Web
  + ```bash
  + yarn example web
  ```
  - cd ../
  + - For IOS
  + ```bash
  + yarn example ios
  ```
  + - For Android
  + ```bash
  + yarn example android
  + ```
  +
  and start making the changes.
  