Add material requirements for the training

Author: gjbex

docs/README.md

@@ -78,6 +78,13 @@ Familiarity with numpy, pandas and matplotlib is strongly recommended.
 If you plan to do Python programming in a Linux or HPC environment you should
 be familiar with these as well.
 
+For following along hands-on, you need * laptop or desktop with internet access.
+* a system set up so you can connect to an HPC system, an account on an HPC
+  system (e.g., VSC, CECI, ...), compute credits if that is required to run
+  jobs on the HPC system if you want to use an HPC system;
+* a Python environment that can run Jupyter Lab if you want to use your own
+  system (note that you would require a GPU for some of the examples to work);
+* access to Google Colaboratory if you prefer not to install software.
 
 ## Level
 

docs/_config.yml

@@ -1 +1,2 @@
-theme: jekyll-theme-slate
+title: "Machine learning with Python"
+theme: jekyll-theme-slate