docs(browser-tab): improve example

src/@ionic-native/plugins/browser-tab/index.ts

@@ -1,5 +1,5 @@
-import { Plugin, Cordova, IonicNativePlugin } from '@ionic-native/core';
 import { Injectable } from '@angular/core';
+import { Cordova, IonicNativePlugin, Plugin } from '@ionic-native/core';
 
 /**
  * @name Browser Tab
@@ -13,21 +13,13 @@ import { Injectable } from '@angular/core';
  * constructor(private browserTab: BrowserTab) {
  *
  *   browserTab.isAvailable()
- *     .then((isAvailable: boolean) => {
+ *     .then(isAvailable => {
- *
  *       if (isAvailable) {
- *
  *         browserTab.openUrl('https://ionic.io');
- *
  *       } else {
- *
  *         // open URL with InAppBrowser instead or SafariViewController
- *
  *       }
- *
  *     });
- *
- *
  * }
  *
  * ```
@@ -41,13 +33,14 @@ import { Injectable } from '@angular/core';
 })
 @Injectable()
 export class BrowserTab extends IonicNativePlugin {
-
   /**
    * Check if BrowserTab option is available
    * @return {Promise<any>} Returns a promise that resolves when check is successful and returns true or false
    */
   @Cordova()
-  isAvailable(): Promise<any> { return; }
+  isAvailable(): Promise<any> {
+    return;
+  }
 
   /**
    * Opens the provided URL using a browser tab
@@ -55,12 +48,16 @@ export class BrowserTab extends IonicNativePlugin {
    * @return {Promise<any>} Returns a promise that resolves when check open was successful
    */
   @Cordova()
-  openUrl(url: string): Promise<any> { return; }
+  openUrl(url: string): Promise<any> {
+    return;
+  }
 
   /**
    * Closes browser tab
    * @return {Promise<any>} Returns a promise that resolves when close was finished
    */
   @Cordova()
-  close(): Promise<any> { return; }
+  close(): Promise<any> {
+    return;
+  }
 }