feat(prompts): add directory prompt with updated Clack runtime (#2387)

* chore(deps): update @clack/core and @clack/prompts to latest versions and adjust Node.js engine requirement

* feat(prompts): add directory prompt with autocomplete and create-directory support

* chore(docs): update Node.js version requirement to 20.12+ across multiple documentation files

* fix(prompts): code review fixes