UV install information link

ReadMe.md

@@ -22,6 +22,10 @@ This is a pip package that can be installed into any project and covers the foll
 - script_handling: pid lock file handling, abort timer
 - string_handling: byte format, datetime format, hashing, string formats for numbrers, double byte string format, etc
 
+## UV setup
+
+uv must be [installed](https://docs.astral.sh/uv/getting-started/installation/)
+
 ## How to publish
 
 Have the following setup in `project.toml`