update the Readme file

README.md

@@ -1,4 +1,25 @@
-# gem-push-notifications-concept
-This repo contains the gematik concept for push notifications.
+<img align="right" width="250" height="47" src="images/gematik_logo.png"/> <br/> 
+
+# gematik Push Notification Concept
 
-Das Konzept liegt [hier](docs/concept.adoc)
+<details>
+  <summary>Table of Contents</summary>
+  <ol>
+    <li>
+      <a href="#about-the-project">About The Project</a>
+	</li>
+    <li><a href="#license">License</a></li>
+    <li><a href="#contact">Contact</a></li>
+  </ol>
+</details>
+
+## About The Project
+This repository contains the gematik concept for push notifications.
+
+The concept can be found [here](docs/concept.adoc)
+
+## License
+This project is licensed under the Apache 2.0 license.
+
+## Contact
+If you have questions or want to get in contact please use the "issues" function on GitHub.