added Guidelines

GUIDELINES

+Shared Data Guideline
+@author: mblaschek
+@email: michael.blaschek@univie.ac.at
+@phone: 53715
+@date: Fri Sep 25 09:15:10 CEST 2020
+
+PATH /jetfs/shared-data
+
+1. Be careful. Do not remove data, unless you are really certain, that this is ok for everyone.
+2. Create directories with clear names. Add permission for others
+3. Ask for help if needed.
+4. Add information on your data in the README.md
+
+Here data can be share with other users. 
+If you need to modify these data, copy them to scratch and remove later, in order to save storage and duplicates.
+