📚[DOC]: Improved documentation - generic

[shourya-p-otta]

How would you describe the priority of this documentation request

Critical (currently preventing usage)

Is this for new documentation, or an update to existing docs?

New

Describe the incorrect/future/missing documentation

Modify Documentation to reflect: CAE applications - incremental introduction of features in a simple tutorial for conjugate heat transfer, user guide. Ansys Fluent is a very good example.

API like documentation (with better defaults) like VTK

If this is a correction, please provide a link to the incorrect documentation. If this is a new documentation request, please link to where you have looked.

No response