adding an image to the readme.md code example

Example 1: add image to readme

![alt text](http://url/to/img.png)

Example 2: github readme.md add image

![GitHub Logo](/images/logo.png)
Format: ![Alt Text](url)

Example 3: Github Readme image hinzugfügen

Make a Issue > Drag and Drop the Image > Copy the Link of the Image > Add to your code