Add automation around contributing Copilot fig spec (terminal completions) to VS Code #401
Description
Describe the feature or problem you'd like to solve
No response
Proposed solution
I'm adding a basic completion spec for copilot CLI in microsoft/vscode#272921, this will probably quickly go out of date and could give much richer completions. For example copilot --model could list the actual models using a generator.
Example prompts or workflows
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Additional context
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