Add README.md

README.md

+# EMBL Python User Group - 2020 sessions
+
+Material from EPUG sessions in 2020.
+
+## Adding material to this repository
+
+Material for each session should be added in a new folder,
+with a name describing the main topic covered in that session.
+Material from multiple sessions on a similar topic can be combined
+together in a single folder.
+
+Material can be added to this repository by merge request. 
+To gain push access to the repository,
+and for guidance on creating your merge request,
+please contact one of the EPUG organisers:
+
+- Wasiu Akanni
+- Renato Alves
+- Toby Hodges