Spike: Identify gaps in devfile schema support

Goal

Identify the elements of the devfile schema that we don't currently support and determine the use case, value, and whether support is required for GA.

Details

• Devfile spec: What part of the devfile spec
• Summary: Details about what this part of the spec is used for
• Use case: How that would be used in GitLab
• Required?: Whether we ever can or need to to support this?
• GA?: Whether this is needed for GA

Devfile spec	Summary	Use case	Required?	GA?