virtualenvwrapper: add page (#4010)

Co-authored-by: Zlatan Vasović <zlatanvasovic@gmail.com>

pages/common/virtualenvwrapper.md

@@ -0,0 +1,32 @@
+# virtualenvwrapper
+
+> Group of simple wrapper commands for Python's `virtualenv` tool.
+> More information: <http://virtualenvwrapper.readthedocs.org>.
+
+- Create a new Python `virtualenv` in `$WORKON_HOME`:
+
+`mkvirtualenv {{virtualenv_name}}`
+
+- Create a `virtualenv` for a specific Python version:
+
+`mkvirtualenv --python {{/usr/local/bin/python3.8}} {{virtualenv_name}}`
+
+- Activate or use a different `virtualenv`:
+
+`workon {{virtualenv_name}}`
+
+- Stop the `virtualenv`:
+
+`deactivate`
+
+- List all virtual environments:
+
+`lsvirtualenv`
+
+- Remove a `virtualenv`:
+
+`rmvirtualenv {{virtualenv_name}}`
+
+- Get summary of all virtualenvwrapper commands:
+
+`virtualenvwrapper`