Add command switch tabs for Bash, CMD and Powershell with sphinx-tabs (#3714)

* Enable Sphinx extension sphinx-tabs

* Add command tabs for all export commands

* Add command tabs for all venv commands

Fix trim spaces

docs/conf.py

@@ -18,6 +18,7 @@ extensions = [
     "sphinxcontrib.log_cabinet",
     "pallets_sphinx_themes",
     "sphinx_issues",
+    "sphinx_tabs.tabs",
 ]
 intersphinx_mapping = {
     "python": ("https://docs.python.org/3/", None),