README for getting started bit

getting_started/README.md

+Getting started
+===============
+
+This directoryt contains the "Getting started" practical.
+
+1. Python basics (MJ)
+2. Text input/output (MC)
+3. File management (PM)
+4. Numpy (PM)
+5. Nifti images (MJ)
+6. Image manipulation (MC)
+7. Moving from the Jupyter notebook to a text editor and terminal (MC)
+8. Writing a callable script (MJ)
+9. Debugging (MC)