feat(InAppReview): add InAppReview plugin (#2483)

src/ionic-native/plugins/in-app-review

@@ -0,0 +1,47 @@
+import { Injectable } from '@angular/core';
+import { Plugin, Cordova, IonicNativePlugin } from '@ionic-native/core';
+
+/**
+ * @name In App Review
+ * @description
+ * This plugin does use the iOS class SKStore​Review​Controller to open the inApp review popup available since iOS 10.3
+ *
+ * This functionality only works on iOS devices
+ *
+ *
+ * @usage
+ * ```typescript
+ * import { InAppReview } from '@ionic-native/in-app-review';
+ *
+ *
+ * constructor(private inAppReview: InAppReview) { }
+ *
+ * ...
+ *
+ *
+ * this.inAppReview.requestReview()
+ *   .then((res: any) => console.log(res))
+ *   .catch((error: any) => console.error(error));
+ *
+ * ```
+ */
+@Plugin({
+  pluginName: 'InAppReview',
+  plugin: 'com.omarben.inappreview',
+  pluginRef: 'inappreview',
+  repo: 'https://github.com/omaxlive/com.omarben.inappreview',
+  platforms: ['iOS']
+})
+@Injectable()
+export class InAppReview extends IonicNativePlugin {
+
+  /**
+   * Open the inApp review popup
+   * @return {Promise<any>} Returns a promise that resolves when something happens
+   */
+  @Cordova()
+  requestReview(): Promise<any> {
+    return; // We add return; here to avoid any IDE / Compiler errors
+  }
+
+}