Updated sources

Author: product-team

.gitignore

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+# node.js
+wwwroot/*.js
+node_modules
+typings
+lib
+
+# vs code
+.vscode

.npmignore

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+**/*
+!lib/**/*
+!package.json
+!LICENSE
+!README.md

LICENSE

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+The MIT License (MIT)
+
+Copyright (c) 2003-2018 Aspose Pty Ltd
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# GroupDocs.Viewer Cloud Node.js SDK
+Node.js module for communicating with the GroupDocs.Viewer Cloud API
+
+## Installation
+
+A package `groupdocs-viewer-cloud` is available at [npmjs.com](https://www.npmjs.com/package/groupdocs-viewer-cloud). You can install it with:
+
+```shell
+npm install groupdocs-viewer-cloud
+```    
+
+## Getting Started
+
+Please follow the [installation](#installation) procedure and then run the following JavaScript code:
+
+```js
+// load the module
+var GroupDocs = require('groupdocs-viewer-cloud');
+
+// get your appSid and appKey at https://dashboard.groupdocs.cloud (free registration is required).
+var appSid = "XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX";
+var appKey = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
+
+// construct ViewerApi
+var viewerApi = GroupDocs.ViewerApi.fromKeys(appSid, appKey);
+
+// retrieve supported file-formats
+viewerApi.getSupportedFileFormats()
+    .then(function (response) {
+        console.log("Supported file-formats:")
+        response.formats.forEach(function (format) {
+            console.log(format.fileFormat + " (" + format.extension + ")");
+        });
+    })
+    .catch(function (error) {
+        console.log("Error: " + error.message)
+    });
+```
+
+Or compile and run same written in TypeScript:
+
+```ts
+// load the module
+import { ViewerApi } from "groupdocs-viewer-cloud";
+
+// get your appSid and appKey at https://dashboard.groupdocs.cloud (free registration is required).
+const appSid: string = "XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX";
+const appKey: string = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
+
+// construct ViewerApi
+const viewerApi: ViewerApi = ViewerApi.fromKeys(appSid, appKey);
+
+// retrieve supported file-formats
+viewerApi.getSupportedFileFormats()
+    .then((result) => {
+        console.log("Supported file-formats:");
+        result.formats.forEach((format) => {
+            console.log(format.fileFormat + " (" + format.extension + ")");
+        });
+    })
+    .catch((error) => {
+        console.log("Error: " + error.message);
+    });
+```
+
+
+## Licensing
+GroupDocs.Viewer Cloud Node.js SDK licensed under [MIT License](LICENSE).
+
+## Resources
++ [**Website**](https://www.groupdocs.cloud)
++ [**Product Home**](https://products.groupdocs.cloud/viewer)
++ [**Documentation**](https://docs.groupdocs.cloud/display/viewercloud/Home)
++ [**Free Support Forum**](https://forum.groupdocs.cloud/c/viewer)
++ [**Blog**](https://blog.groupdocs.cloud/category/viewer)
+
+## Contact Us
+Your feedback is very important to us. Please feel free to contact us using our [Support Forums](https://forum.groupdocs.cloud/c/viewer).