format readme

Author: sliard

README.md

@@ -7,7 +7,7 @@ To build this example, you first need to add a target platform and a few plugins
 ```
 git clone https://github.com/apizee/ApiRTC-ionic.git
 cd ApiRTC-ionic
-npm install xcode 
+npm install xcode
 ionic build
 ionic cordova platform remove ios
 chmod +x plugins/cordova-plugin-iosrtc/extra/hooks/iosrtc-swift-support.js
@@ -73,13 +73,13 @@ Thread 1: EXC_BREAKPOINT (code=EXC_ARM_BREAKPOINT, subcode=0xe7ffdefe)” Meanwh
 
 Go to Build Settings, look under Linking, edit “Runpath Search Paths”, and add the path @executable_path/Frameworks in debug and release
 
-##Building errors on Android
+## Building errors on Android
 **Add the following permissions to the Android manifest **:(<nameOfYourProject>/platforms/android/AndroidManifest.xml).
 <uses-permission android:name=”android.permission.RECORD_AUDIO” />
 <uses-permission android:name=”android.permission.CAMERA” />
 <uses-permission android:name=”android.permission.MODIFY_AUDIO_SETTINGS” />
 
-##Optional tips
+## Optional tips
 
 The crosswalk plugin is not necessary for Android 5.0+ as WebRTC is now supported in native WebView. It may enable you to have lightweight application but you will loose compatibility with Android version less than 5.0
 
@@ -90,7 +90,7 @@ cordova plugin remove cordova-plugin-crosswalk-webview
 -In AndroidManifest.xml, set the minSdkVersion to 21.
 -A patch may be needed in Cordova to allow WebRTC getUserMedia. Refer to pull request https://github.com/apache/cordova-android/pull/178/files to make changes to the file /platforms/android/CordovaLib/src/org/apache/cordova/engine/SystemWebChromeClient.java.
 
-##Try your project
+## Try your project
 
 In order to test, open [this link](https://cloud.apizee.com/apiRTC/Samples/apiPhone-level2.html) on your computer browser: