Adding WSL guide (#36)

* Adding guide

* Reference guide

* Small grammar misspellings.

* Apply suggestions from code review

Co-authored-by: Kathy Pippert <[email protected]>

* Fixing small typos

* Update doc/source/guidelines/PyMAPDL_WSL_Guide.rst

Co-authored-by: Maxime Rey <[email protected]>

* Updating references

* Update links

* Small fixes

Co-authored-by: Kathy Pippert <[email protected]>
Co-authored-by: Maxime Rey <[email protected]>

Author: 3 people