ENGCOM-1350: Update Readme file for magento2 repository #14787

 - Merge Pull Request #14787 from sidolov/magento2:readme-md-update-2.3-develop
 - Merged commits:
   1. 7e0ea52

Author: magento-engcom-team

README.md

@@ -6,13 +6,12 @@
 Welcome to Magento 2 installation! We're glad you chose to install Magento 2, a cutting-edge, feature-rich eCommerce solution that gets results.
 
 ## Magento system requirements
-[Magento system requirements](http://devdocs.magento.com/guides/v2.2/install-gde/system-requirements2.html)
+[Magento system requirements](http://devdocs.magento.com/guides/v2.3/install-gde/system-requirements2.html)
 
 ## Install Magento
 To install Magento, see either:
 
-*	[Magento DevBox](https://magento.com/tech-resources/download), the easiest way to get started with Magento.
-*	[Installation guide](http://devdocs.magento.com/guides/v2.2/install-gde/bk-install-guide.html)
+*	[Installation guide](http://devdocs.magento.com/guides/v2.3/install-gde/bk-install-guide.html)
 
 <h2>Contributing to the Magento 2 code base</h2>
 Contributions can take the form of new components or features, changes to existing features, tests, documentation (such as developer guides, user guides, examples, or specifications), bug fixes, optimizations, or just good suggestions.
@@ -23,11 +22,24 @@ To learn about issues, click [here][2]. To open an issue, click [here][3].
 
 To suggest documentation improvements, click [here][4].
 
-[1]: <http://devdocs.magento.com/guides/v2.2/contributor-guide/contributing.html>
-[2]: <http://devdocs.magento.com/guides/v2.2/contributor-guide/contributing.html#report>
+[1]: <http://devdocs.magento.com/guides/v2.3/contributor-guide/contributing.html>
+[2]: <http://devdocs.magento.com/guides/v2.3/contributor-guide/contributing.html#report>
 [3]: <https://github.com/magento/magento2/issues>
 [4]: <http://devdocs.magento.com>
 
+<h3>Community Maintainers</h3>
+The members of this team have been recognized for their outstanding commitment to maintaining and improving Magento. Magento has granted them permission to accept, merge, and reject pull requests, as well as review issues, and thanks these Community Maintainers for their valuable contributions.
+
+<a href="https://magento.com/magento-contributors#maintainers">
+    <img src="https://raw.githubusercontent.com/wiki/magento/magento2/images/maintainers.png"/>
+</a>
+
+<h3>Top Contributors</h3>
+Magento team thanks for any contribution that can improve our code base, documentation or increase test coverage. We always recognize our most active members, your contributions are the foundation of the Magento open source platform.
+<a href="https://magento.com/magento-contributors">
+    <img src="https://raw.githubusercontent.com/wiki/magento/magento2/images/contributors.png"/>
+</a>
+
 <h3>Labels applied by the Magento team</h3>
 
 | Label        | Description           |