feat(pin-check): add pin check plugin (#1734)

* feat(plugin): pin check

* fix(plugin) pluginRef fixed

src/@ionic-native/plugins/pin-check/index.ts

@@ -0,0 +1,44 @@
+import { Cordova, Plugin, IonicNativePlugin } from '@ionic-native/core';
+import { Injectable } from '@angular/core';
+
+/**
+ * @name Pin Check 
+ * @description
+ * This plugin is for use with Apache Cordova and allows your application to check whether pin/keyguard or passcode is setup on iOS and Android phones.
+ *
+ * Requires Cordova plugin: cordova-plugin-pincheck. For more info, please see the [PinCheck plugin docs](https://github.com/ohh2ahh/AppAvailability).
+ *
+ * @usage
+ * ```typescript
+ * import { PinCheck } from '@ionic-native/pin-check';
+ * import { Platform } from 'ionic-angular';
+ *
+ * constructor(private pinCheck: PinCheck, private platform: Platform) { }
+ *
+ * ...
+ *
+ * this.pinCheck.isPinSetup()
+ *   .then(
+ *     (success: string) =>  console.log("pin is setup.");,
+ *     (error: string) => console.log("pin not setup.");
+ *   );
+ * ```
+ */
+@Plugin({
+  pluginName: 'PinCheck',
+  plugin: 'cordova-plugin-pincheck',
+  pluginRef: 'cordova.plugins.PinCheck',
+  repo: 'https://github.com/shangyilim/cordova-plugin-pincheck',
+  platforms: ['Android', 'iOS']
+})
+@Injectable()
+export class PinCheck extends IonicNativePlugin {
+  /**
+   *  check whether pin/keyguard or passcode is setup    
+   * @returns {Promise<boolean>}
+   */
+  @Cordova()
+  isPinSetup(): Promise<boolean> {
+    return;
+  }
+}