[Feature request] Add --json parameter to create operations

[Laskewitz]

I would love to see the --json parameter to get added to the below create operations, so that it can used for scripting.

Create operations

• pac admin create
• pac connector create

Scenarios

Scenario 1: environment creation
Create an environment using pac admin create and import a solution / a set of solutions with pac solution import after creation.

Scenario 2: connector creation
Create a connector with pac connector create and generate an app via pac canvas create from it.