Replace inquirer with prompts

[thebuilder]

To help reduce the size of the Storybook project, removing Inquirer seems to be one step in the right direction. It was removed from create-react-app in version 4.0.1, which has drastically reduce the overall install size.

See:

• replace inquirer with prompts facebook/create-react-app#10083
• https://twitter.com/Baconbrix/status/1330852677325119493

Implemented in #13225

There are still dependencies in the project that rely on the package, but removing it from Storybook itself paves the way for others.

See yarn why inquirer for other reasons it exists.

[shilman]

Great Caesar's ghost!! I just released https://github.com/storybookjs/storybook/releases/tag/v6.2.0-alpha.3 containing PR #13225 that references this issue. Upgrade today to the @next NPM tag to try it out!

npx sb upgrade --prerelease

Closing this issue. Please re-open if you think there's still more to do.

[shilman]

ZOMG!! I just released https://github.com/storybookjs/storybook/releases/tag/v6.2.0-alpha.14 containing PR #13520 that references this issue. Upgrade today to the @next NPM tag to try it out!

npx sb upgrade --prerelease