docs: update some badges and links

README.md

@@ -3,7 +3,6 @@
 [![Node.js CI](https://github.com/rumble-charts/rumble-charts/actions/workflows/node.js.yml/badge.svg)](https://github.com/rumble-charts/rumble-charts/actions/workflows/node.js.yml)
 [![CodeQL](https://github.com/rumble-charts/rumble-charts/actions/workflows/codeql-analysis.yml/badge.svg)](https://github.com/rumble-charts/rumble-charts/actions/workflows/codeql-analysis.yml)
 [![codecov](https://codecov.io/gh/rumble-charts/rumble-charts/branch/master/graph/badge.svg)](https://codecov.io/gh/rumble-charts/rumble-charts)
-[![Greenkeeper badge](https://badges.greenkeeper.io/rumble-charts/rumble-charts.svg)](https://greenkeeper.io/)
 
 [![Maintainability Rating](https://sonarcloud.io/api/project_badges/measure?project=rumble-charts_rumble-charts&metric=sqale_rating)](https://sonarcloud.io/dashboard?id=rumble-charts_rumble-charts)
 [![Quality Gate Status](https://sonarcloud.io/api/project_badges/measure?project=rumble-charts_rumble-charts&metric=alert_status)](https://sonarcloud.io/dashboard?id=rumble-charts_rumble-charts)

docs/guides/01-introduction.stories.mdx

@@ -5,9 +5,10 @@ import { Meta } from '@storybook/addon-docs';
 # Rumble Charts
 
 - [GitHub repository](https://github.com/rumble-charts/rumble-charts)
-- [Join the chat on Gitter](https://gitter.im/rumble-charts/rumble-charts)
 - [NPM page](https://www.npmjs.com/package/rumble-charts)
 
 React components for building composable and flexible charts.
 
 It's based on D3.js under the hood, but most of the time you will not feel that.
+
+![](../images/07.png)