doc: pulumi and ibmcloud tutorial

[imprateeksh]

Description

This PR creates a page in TIM documentation with instructions and tutorial on how to use Pulumi using IBMCloud.

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[imprateeksh]

Please note:
Doc work is done. It's just some examples in the documentation are currently not working and I am fixing those examples so that it can be run directly.

[imprateeksh]

Please note: Doc work is done. It's just some examples in the documentation are currently not working and I am fixing those examples so that it can be run directly.

All examples are working fine. Results -

Example 1:

Example 2:

Example 3:

Example 4:

[vburckhardt]

I think this is mostly missing the point of showing how to use TIM modules with pulumi. The tutorial shows how to use the IBM provider, which is not the goal here.

See poc: https://github.com/vburckhardt/pulumi-start-ibmcloud
See doc: https://www.pulumi.com/docs/iac/guides/building-extending/using-existing-tools/use-terraform-module/

[imprateeksh]

Closing this as we now have a different Pull request (now merged) to provide the information on IBMCloud docs.