[docs] [issue40289] Document how to get Python's bin / Scripts directory

Change by Éric Araujo : ---------- stage: -> needs patch title: "highlighting" how to get Python's Scripts directory in the documentation -> Document how to get Python's bin / Scripts directory versions: +Python 3.10 -Python 3.5, Python 3.6, Python 3.7 _______________________________________ Python tracker https://bugs.python.org/issue40289 _______________________________________