Update README.md

Reflecting the mos recent changes regarding the signed and unsigned plugin.

Author: godspeed-you

README.md

@@ -1,31 +1,56 @@
 # Checkmk data source
 
-![CI](https://github.com/Checkmk/grafana-checkmk-datasource/actions/workflows/ci.yml/badge.svg)
+[![Grafana 8.0](https://img.shields.io/badge/Grafana-8.0-orange)](https://www.grafana.com)
+[![Checkmk cloud data source](https://img.shields.io/badge/dynamic/json?color=blue&label=Checkmk%20for%20Cloud%20Edition&query=%24.version&url=https%3A%2F%2Fgrafana.com%2Fapi%2Fplugins%2Fcheckmk-cloud-datasource)](https://grafana.com/grafana/plugins/checkmk-cloud-datasource)
+[![Checkmk unsigned data source](https://img.shields.io/badge/dynamic/json?color=blue&label=Checkmk&query=tag_name&url=https%3A%2F%2Fapi.github.com%2Frepos%2Ftribe29%2Fgrafana-checkmk-datasource%2Freleases%2Flatest)](https://github.com/Checkmk/grafana-checkmk-datasource)
+[![CI](https://github.com/Checkmk/grafana-checkmk-datasource/actions/workflows/ci.yml/badge.svg)](https://github.com/Checkmk/grafana-checkmk-datasource/actions/workflows/ci.yml?query=event%3Aschedule)
 
-This is a [Grafana][1] [data source][2] plugin for visualizing Checkmk metrics
-in Grafana.
 
-The plugin requires Checkmk >= 2.1.0 and Grafana >= 8.0  
-(It is possible query data from Checkmk >= 2.0.0p20 but host and service
-dropdowns are not constrained by other active filters and single metric graphs
-do not work with Checkmk Raw Edition)
+![Checkmk Grafana Data Source Plugin](https://github.com/checkmk/grafana-checkmk-datasource/raw/ebf24142922ccce5cc5649aa4809d1c19d55958f/grafana-checkmk-datasource.png)
+## Introduction
 
-All Checkmk Editions are supported by this plugin, but with different query
-interface as the Enterprise Edition has a more comprehensive filtering engine.
+This [data source][2] plugin for [Grafana][1] allows to address Checkmk as source and to display individual metrics in Grafana.
 
-Please consult the chapter ["Integrating Checkmk in Grafana"][3] in the
-official Checkmk documentation on how to use this plugin.
+## Requirements
 
-![Checkmk Grafana Data Source Plugin](https://github.com/checkmk/grafana-checkmk-datasource/raw/ebf24142922ccce5cc5649aa4809d1c19d55958f/grafana-checkmk-datasource.png)
+To make use of the plugin, you need to take care the correct versions are installed. You need to match both, the Grafana and the Checkmk version:
+
+- **Grafana 8.0.0 or higher**
+- **Checkmk Cloud Edition 2.2.0 or higher** for the signed plugin available from [Grafana][6]
+- **Checkmk 2.1.0 or higher** for the unsigned plugin available from [Github][8]
+
+## Installing the plug-in
+
+The signed plug-in can be installed from the [Grafana marketplace][6] or by using the `grafana-cli`:
+
+```bash
+grafana-cli plugins install checkmk-cloud-datasource
+```
+
+For the installation of the unsigned plugin, please take a look at the official [Checkmk user guide][3].
+
+## Official documentation
+
+For detailed information regarding the installation, configuration and usage,
+please consult the official [Checkmk User Guide][3].
+
+## Further information
 
 See [CHANGELOG.md][4] for information about updating from previous
 versions.
 
 See [DEVELOPMENT.md][5] for information about how to test, build and
 release this software.
 
+## License
+
+This project is using the [Apache-2.0 license][7].
+
 [1]: https://grafana.com/grafana/
 [2]: https://grafana.com/docs/grafana/latest/datasources/
 [3]: https://docs.checkmk.com/latest/en/grafana.html
 [4]: https://github.com/checkmk/grafana-checkmk-datasource/blob/main/CHANGELOG.md
 [5]: https://github.com/checkmk/grafana-checkmk-datasource/blob/main/DEVELOPMENT.md
+[6]: https://grafana.com/grafana/plugins/checkmk-cloud-datasource/
+[7]: https://github.com/checkmk/grafana-checkmk-datasource/blob/main/LICENSE
+[8]: https://github.com/Checkmk/grafana-checkmk-datasource