CLI Generator support

Hi all... new to the forums, but not to CI, been using CI since v2 - very happy to be building with CI4 now - Well Done to the Team!
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I am looking for something like this too - agreed it should be separate, probably even live outside of your application - but it would be cool to go generate "User" and after several optional prompts it generates the code... operationally its a webapp you spin up and gives you a GUI for the whole thing...
Example core generators: User, Blog