updates readme

README.md

@@ -5,6 +5,7 @@ A basic electron app to read values from a PLC.
 ![mainWindow](readingTag.gif)
 
 ## Install
+
 ``` bash
 # Clone the repository
 $ git clone https://github.com/patrickjmcd/node-ethernet-ip-electron
@@ -17,7 +18,20 @@ $ npm install
 ```
 
 ## Develop
+
 Just run this command to start developing with hot reloading.
+
 ``` bash
+# Start electron and the webpack dev server
 $ npm start
 ```
+
+## Testing
+
+``` bash
+# Run the tests
+$ npm test
+
+# Run the tests in a watched environment
+$ npm run test:watch
+```