odoo/documentation#11231

Created by rayenchtioui

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label
rayenchtioui:patch-1
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92226afc6f95176749b1334efe91eba0c6d2be81
odoo/documentation
18.0 #11231 missing statuses missing r+
saas-18.2
saas-18.3
saas-18.4
19.0
saas-19.1
master

Update setup_guide.rst

While learning Odoo and exploring the documentation, I noticed that users without a Python background might be unfamiliar with the concept of virtual environments. This can lead to confusion and frustration when trying to run the server without properly setting up the environment. I've added a section explaining how to create a virtual environment and install dependencies, which will save time for new users and make the setup process smoother.