Readme updates

Author: moay

README.md

@@ -2,7 +2,11 @@
 
 # opensensemap-api-php-client
 
-A client for retrieving sensor data from a senseBox from the opensensemap api
+<img src="https://user-images.githubusercontent.com/3605512/62291810-2495bb80-b465-11e9-932e-2271f7e0167b.png?v=4&s=20" width="300">
+
+A lightweight client for retrieving sensor data from a senseBox from the opensensemap api.
+
+**This is not an official project from the senseBox team.**  
 
 ## Usage
 
@@ -27,9 +31,11 @@ foreach ($senseBoxData->getSensorValues() as $sensorValue) {
 
 The client gives you the latest data for a specific senseBox from the OpenSenseMap Api.
 
+As there was no need for further features, none have been implemented. This could easily be done, though. Feel free to submit a PR.
+
 ## License
 
 The client is published under the [MIT license](LICENSE.md).
 
-senseBox and all related contents, visuals and brands are published under CC licenses or other public domain licenses.
+[senseBox](https://sensebox.de) and all related contents, visuals and brands are published under CC licenses or other public domain licenses.
 Make sure to check out the project.