feat(firebase-dynamic-links): Add missing method getDynamicLink() (#3567)

src/@ionic-native/plugins/firebase-dynamic-links/index.ts

@@ -97,6 +97,17 @@ export interface ILinkOptions {
 })
 @Injectable()
 export class FirebaseDynamicLinks extends IonicNativePlugin {
+  /**
+   * Determines if the app has a pending dynamic link and provides access to the dynamic link parameters.
+   * @return {Promise<IDynamicLink>} Returns a promise
+   */
+  @Cordova({
+    otherPromise: true,
+  })
+  getDynamicLink(): Promise<IDynamicLink> {
+    return;
+  }
+
   /**
    * Registers callback that is triggered on each dynamic link click.
    * @return {Observable<IDynamicLink>} Returns an observable