Description of the new feature/enhancement

Extremely useful for demonstration and in GitHub (Why are you not supporting videos in markdown, GitHub?)

Note that PowerToys is planning to make a GIF capture tool. But this is going to be different because this feature will be dedicated to capturing the Terminal. This will allow the user to modify the contents and change things like fonts before rendering the GIF. unlike any other GIF recording tool.

Proposed technical implementation details (optional)

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