Update Development setup (Windows)

Development-setup-%28Windows%29.md

@@ -1,6 +1,8 @@
 # Quick n dirty 
 
-- after cloning, run `py -3 -m venv .venv` in the root directory and then `.venv\Scripts\activate`
+- after cloning, run `py -3 -m venv .venv` in the root directory 
+- and then `.venv\Scripts\activate` to activate the virtual environment
+- on windows you might need to do `Set-ExecutionPolicy Unrestricted -Force` first and then activate the virtual environment
 - then `pip install Flask` inside the virtual env
 - you might also need to init a database, so use `flask --app myriad init-db`
 - to start the site use `flask --app myriad run --debug`