style(): unify docs and spacing (#1448)

* typo(barcode-scanner): fixe circle lint error

* typo(docs):  Unified the documentations

In some plugins the typescript markup was missing.
I also unified the console.log string from console.log("hello") to console.log('Hello') so any plugin page look the same.

src/@ionic-native/plugins/streaming-media/index.ts

@@ -22,7 +22,7 @@ export interface StreamingAudioOptions {
  * This plugin allows you to stream audio and video in a fullscreen, native player on iOS and Android.
  *
  * @usage
- * ```
+ * ```typescript
  * import { StreamingMedia, StreamingVideoOptions } from '@ionic-native/streaming-media';
  *
  * constructor(private streamingMedia: StreamingMedia) { }
@@ -54,7 +54,7 @@ export class StreamingMedia extends IonicNativePlugin {
    * @param videoUrl {string} The URL of the video
    * @param options {StreamingVideoOptions} Options
    */
-  @Cordova({sync: true})
+  @Cordova({ sync: true })
   playVideo(videoUrl: string, options?: StreamingVideoOptions): void { }
 
   /**
@@ -62,25 +62,25 @@ export class StreamingMedia extends IonicNativePlugin {
    * @param audioUrl {string} The URL of the audio stream
    * @param options {StreamingAudioOptions} Options
    */
-  @Cordova({sync: true})
+  @Cordova({ sync: true })
   playAudio(audioUrl: string, options?: StreamingAudioOptions): void { }
 
   /**
    * Stops streaming audio
    */
-  @Cordova({sync: true})
+  @Cordova({ sync: true })
   stopAudio(): void { }
 
   /**
    * Pauses streaming audio
    */
-  @Cordova({sync: true, platforms: ['iOS']})
+  @Cordova({ sync: true, platforms: ['iOS'] })
   pauseAudio(): void { }
 
   /**
    * Resumes streaming audio
    */
-  @Cordova({sync: true, platforms: ['iOS']})
+  @Cordova({ sync: true, platforms: ['iOS'] })
   resumeAudio(): void { }
 
 }