Allow work with CSE on user-mode

[pcantera]

New Cloud Specific Extension commands:

cio cloud-specific-extensions templates <CMD>:

• list > Lists List CSE templates
  GET /v2/cse/templates

• show -> Shows CSE template
  GET /v2/cse/templates/:template_id

• import -> Imports a CSE template
  POST /v2/cse/templates

• update -> Updates an existing CSE template identified by the given id
  PUT /v2/cse/templates/:template_id

• list-deployments -> List CSE deployments of a CSE template
  GET /v2/cse/templates/:template_id/deployments

• delete -> Deletes a CSE template
  DELETE /v2/cse/templates/:template_id

cio cloud-specific-extensions deployments <CMD>:

• list > Lists List CSE deployments
  GET /v2/cse/deployments

• show -> Shows CSE deployment
  GET /v2/cse/deployments/:deployment_id

• deploy -> Deploys a new CSE deployment from CSE template
  POST /v2/cse/templates/:template_id/deployments

• update -> Updates an existing CSE deployment identified by the given id
  PUT /v2/cse/deployments/:deployment_id

• delete -> Deletes a CSE deployment
  DELETE /v2/cse/deployments/:deployment_id

Expected Behavior

Current Behavior

Possible Solution

Steps to Reproduce (for bugs)

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Context and environment