samples: add get rendering status sample.

Author: narekhovhannisyan

samples/projects/get-rendering-status.js

@@ -0,0 +1,21 @@
+/**
+ * Copyright (c) 2018-present, Renderforest, LLC.
+ * All rights reserved.
+ *
+ * This source code is licensed under the license found in the
+ * LICENSE file in the root directory.
+ */
+
+const RenderforestClient = require('../../lib/client')
+
+const Renderforest = new RenderforestClient({ signKey: '<signKey>', clientId: -1 })
+
+const unsubscribe = Renderforest.getRenderingStatus((error, percentage) => {
+  if (error) {
+    console.log(error)
+  }
+  // take percentage from here
+  console.log(percentage)
+  // if you want in unsubscribe in some case, then you can call unsubscribe method manually
+  unsubscribe()
+})