[update] readme file

Author: vashkinazi

README.md

@@ -1,31 +1,50 @@
-## DHTMLX Spreadsheet Documentation
+<h1 align="center"><a href="https://docs.dhtmlx.com/spreadsheet/">DHTMLX Spreadsheet Documentation</a></h1>
 
-### Installation
+[DHTMLX Spreadsheet](https://dhtmlx.com/docs/products/dhtmlxSpreadsheet/) is a client-side JavaScript component that allows editing and formatting data in spreadsheets online. It includes a configurable toolbar, handy menu and context menu, and adjustable grid, supports hot keys navigation, loads data both from external and local sources, provides the ability to localize interface into the desired language.
+
+## Explore documentation locally
+
+To run the Spreadsheet documentation locally, take the following steps:
+
+#### 1. Clone the documentation to the local folder
+
+```
+$ git clone [email protected]:DHTMLX/docs-spreadsheet.git
+$ cd docs-spreadsheet
+```
+
+#### 2. Install dependencies
 
 ```
 $ yarn
 ```
 
-### Local Development
+#### 3. Run the documentation on the local server and explore it
 
 ```
 $ yarn start
 ```
 
-This command starts a local development server and open up a browser window. Most changes are reflected live without having to restart the server.
+## Related sources
 
-### Build
+[Download DHTMLX Spreadsheet](https://dhtmlx.com/docs/products/dhtmlxSpreadsheet/download.shtml)
 
-```
-$ yarn build
-```
+[Live demos](https://snippet.dhtmlx.com/ihtkdcoc?mode=wide&text=#spreadsheet)
 
-This command generates static content into the `build` directory and can be served using any static contents hosting service.
+[Blog](https://dhtmlx.com/blog/tag/spreadsheet/)
 
-### Deployment
+[Forum](https://forum.dhtmlx.com/c/widgets/spreadsheet)
 
-```
-$ GIT_USER=<Your GitHub username> USE_SSH=true yarn deploy
-```
+## Follow us
+
+Star our GitHub repo :star:
+
+Watch our tutorials on [YouTube](https://www.youtube.com/user/dhtmlx/videos) :eyes:
+
+Read us on [Medium](https://medium.com/@dhtmlx) :newspaper:
+
+Follow us on [Twitter](https://twitter.com/dhtmlx) :feet:
+
+Like our page on [Facebook](https://www.facebook.com/dhtmlx/) :thumbsup:
 
-If you are using GitHub pages for hosting, this command is a convenient way to build the website and push to the `gh-pages` branch.
+See our news on [Linkedin](https://www.linkedin.com/groups/3345009/) :mega: