Adds mention for general Python requirement as guidance.

aliakatas · aliakatas · commit 10c7c78e5d3f · 2020-11-17T17:42:57.000Z
diff --git a/README.md b/README.md
@@ -1,2 +1,5 @@
 # GroupRandomiser
 Create random groups of items from a list.
+
+### Note
+To build a standalone application (as per the instructions at this [link](https://github.com/mherrmann/fbs-tutorial)) Python 3.6 is required.
