Merge pull request #444 from olgatash/patch-1

added SVAR React datagrid and Gantt chart

Author: bluepeter

README.md

@@ -144,6 +144,7 @@ Please review our [contributing guidelines](https://github.com/brillout/awesome-
 - [react-data-grid](https://github.com/adazzle/react-data-grid) - Excel-like grid.
 - [revo-grid](https://github.com/revolist/revogrid) - [demo/docs](https://revolist.github.io/revogrid/) - Powerfull Data Grid for React / AngularJS / Vue / Web Components with advanced customization.
 - [ReactGrid](https://github.com/silevis/reactgrid) - [demo/docs](https://reactgrid.com/docs/) - Add spreadsheet-like behavior to your app
+- [SVAR React DataGrid](https://svar.dev/react/datagrid/) - [demo](https://docs.svar.dev/react/grid/samples/#/base/willow) - [docs](https://docs.svar.dev/react/grid/getting_started/) - React DataGrid with in-cell editing, tree data, context menu, virtual scrolling, etc.
 - [jqwidgets-react-grid](https://www.jqwidgets.com/react/react-grid/) - Filtering, Pagination, Grouping, Export to Excel, PDF, CRUD and more.
 
 ### Table
@@ -277,14 +278,14 @@ _Display data in charts / graphs / diagrams_
 - [react-d3-components](https://github.com/codesuki/react-d3-components) - D3 Components for React.
 - [react-google-charts](https://github.com/RakanNimer/react-google-charts) - React-google-charts React component.
 - [react-highcharts](https://github.com/kirjs/react-highcharts) - React-highcharts.
-- [react-sigmajs](https://github.com/dunnock/react-sigma) - Lightweight but powerful library for drawing network graphs built on top of SigmaJS.
 - [react-sparklines](https://github.com/borisyankov/react-sparklines) - Beautiful and expressive Sparklines React component.
 - [react-timeseries-charts](https://github.com/esnet/react-timeseries-charts) - Declarative timeseries charts.
 - [react-vis](https://github.com/uber/react-vis) - Data visualization library based on React and d3.
 - [recharts](https://github.com/recharts/recharts) - Redefined chart library built with React and D3.
 - [rumble-charts](https://github.com/rumble-charts/rumble-charts) - React components for building composable and flexible charts.
 - [victory](https://github.com/FormidableLabs/victory) - Data viz for React.
 - [semiotic](https://semiotic.nteract.io/) - Semiotic is a data visualization framework for React.
+- [SVAR React Gantt](https://svar.dev/react/gantt/) - [demo](https://docs.svar.dev/react/gantt/samples/#/base/willow) - [docs](https://docs.svar.dev/react/gantt/getting_started/) - Customizable, interactive Gantt chart component
 - [DevExtreme React Chart](https://devexpress.github.io/devextreme-reactive/react/chart/) - High-performance plugin-based chart for Bootstrap and Material Design.
 - [Smart React Chart](https://www.htmlelements.com/react/demos/chart/overview/) - Feature complete Charting library.
 - [react-muze](https://github.com/chartshq/react-muze) - React wrapper for [muze](https://muzejs.org/)(free data visualization library for creating exploratory data visualizations in browser, using WebAssembly)