Update README.md add on on how to get mise environment working with mise doctor

Author: HongPong

README.md

@@ -62,7 +62,11 @@ directory.
 * Install dependencies
 * ensure local pre-commit hooks are properly triggered
 
-We are using `mise` and `uv` to manage our python environment. ([More on uv](https://github.com/astral-sh/uv))
+We are using `mise` and `uv` to manage our python environment. ([More on uv](https://github.com/astral-sh/uv)).
+
+After mise is installed, it is best to open a new terminal window so the bash/zsh shims are available. `mise doctor` can report if
+mise is "activated" and if "shims_on_path" are working. mise needs to be correctly activated so that it can manage the 
+`pip install` step.
 
 Examples of the full setup for some OSes are below: