Added GWM docs for ganetiviz.
Improved the ganetiviz developer documentation.
Corrected a small error in the ganetiviz.rst docs and added ganetiviz docs to doctree.
Minor corrections to ganetiviz docs.
- Corrected error in one of the link's formatting
- Escaping of '*' character in *_DOWN done.
Merge branch 'pramttl-enhancement/15087' into develop

* pramttl-enhancement/15087:
  Minor corrections to ganetiviz docs. - Corrected error in one of the link's formatting - Escaping of '*' character in *_DOWN done.
  Corrected a small error in the ganetiviz.rst docs and added ganetiviz docs to doctree.
  Improved the ganetiviz developer documentation.
  Added GWM docs for ganetiviz.

Conflicts:
	docs/source/index.rst