docs: add line break

Readme.md

@@ -35,7 +35,7 @@ Mobile Cartography Jupyter Lab Workshop.
         git clone https://gitlab.hrz.tu-chemnitz.de/tud-ifk/jupyter_python_datascience.git
     ```
     - this will download the workshop material to your local user folder (explorer on the left side)
-    - in the explorer on the left, open the file `jupyter_python_datascience/notebooks/01_raw_intro.ipynb`
+    - in the explorer on the left, open the file `jupyter_python_datascience/notebooks/01_raw_intro.ipynb`  
       ![Startup Jupyter Hub](resources/notebook_jup.webp)
         - and start following the instructions