Update documentation on virtual env. for Alpha

Please update the example on virtual environment creation within the page jobs_and_resources/alpha.md. Add a note or hint, where to create the virtual env. (workspace or home?)

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assigned to @lazariv--tu-dresden.de

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unassigned @lazariv--tu-dresden.de

assigned to @s4122485--tu-dresden.de

changed the description

created branch 533-update-documentation-on-virtual-env-for-alpha to address this issue

created branch 533-update-documentation-on-virtual-env-for-alpha-2 to address this issue

added Alpha Centauri label

created branch 533-update-documentation-on-virtual-env-for-alpha-3 to address this issue

mentioned in merge request !991 (merged)

mentioned in commit 6192ae33

closed with merge request !991 (merged)