Update README.md

- Updated README to include Contributors page.
- Minor fixes on typos and formatting.

README.md

@@ -5,22 +5,24 @@ Thruk is a multibackend monitoring webinterface which currently
 supports Naemon, Icinga, Shinken and Nagios as backend using the Livestatus
 API. It is designed to be a 'dropin' replacement and covers the original
 features plus adds additional enhancements for large installations, increased
-usability and many usefull addons.
+usability and many useful addons.
 
 ![Thruk Startpage](https://thruk.org/images/galleries/01_main-thumb.png "Thruk Startpage")
 ![Thruk Panorama](https://thruk.org/images/galleries/geomaps-thumb.png "Thruk Panorama")
+
 [See more screenshots...](https://thruk.org/screenshots/)
 
 Documentation
 -------------
-All documentation is under docs/
+All documentation is under `docs/`
 
 Support
 -------
 
   * Ask a question on [Stack Overflow](https://stackoverflow.com/questions/tagged/thruk)
   * Mailing list on [Google Groups](https://groups.google.com/group/thruk).
-  * File a bug in [GitHub Issues](https://github.com/sni/Thruk/issues).
+  * File a Bug in [GitHub Issues](https://github.com/sni/Thruk/issues).
+  * Report a Security Advisory [GitHub Security](https://github.com/sni/Thruk/security).
   * [Tweet](https://twitter.com/ThrukGUI/) us with other feedback.
   * Chat with developers on [IRC Libera #thruk](irc://irc.libera.chat/thruk) ([Webchat](https://web.libera.chat/?nick=Guest?#thruk)).
 
@@ -32,7 +34,7 @@ Main Features / Advantages
   * Faster while using less CPU
   * Displays live data, no delay between core and GUI
   * Clusterable, can be clustered over hosts
-  * Business Process Addon
+  * Business Process Add-on
   * Advanced status filters
   * Extended logfile search
   * Multiple themes included
@@ -48,13 +50,24 @@ Main Features / Advantages
   * Independant from monitoring core, can be installed on remote host
   * Easy to extend with plugins
 
+### Contributions
+
+Thanks to all the amazing [community contributors for sending PRs](https://github.com/sni/Thruk/graphs/contributors) and keeping this project updated. :heart:
+
+If you have an idea or some kind of improvement, you are welcome to contribute and participate in the Project, feel free to send your PR.
+
+<p align="center">
+<a href="https://github.com/sni/Thruk/graphs/contributors">
+  <img src="https://contrib.rocks/image?repo=sni/Thruk&max=500">
+</a>
+</p>
+
+
 License
 -------
 
 Thruk is Copyright (c) 2009-present by Sven Nierlein and others.
-This is free software; you can redistribute it and/or modify it under the
-same terms as the Perl5 programming language system
-itself:
+This is free software; you can redistribute it and/or modify it under the same terms as the Perl5 programming language system itself:
 
 a) the "Artistic License 1.0" as published by The Perl Foundation
    http://dev.perl.org/licenses/artistic.html
@@ -65,5 +78,5 @@ b) the GNU General Public License as published by the Free Software Foundation;
 
 `SPDX-License-Identifier: Artistic-1.0-Perl OR GPL-1.0-or-later`
 
-Vendor specific libraries below ./root/thruk/vendor/ may have different
-licenes. See THANKS file for details.
+Vendor specific libraries below `./root/thruk/vendor/` may have different
+licenes. See `THANKS` file for details.