Create next app CLI docs (#90788)
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### What?
Updated `installation.mdx` and `create-next-app.mdx` documentation.
### Why?
To accurately reflect the `create-next-app` CLI's behavior regarding
`AGENTS.md` and `CLAUDE.md` file generation, and to update the displayed
default configuration.
### How?
- **`docs/01-app/01-getting-started/01-installation.mdx`**:
- Updated `--yes` flag description to mention `AGENTS.md` and
`CLAUDE.md` inclusion.
- Corrected the recommended defaults prompt to replace "Turbopack" with
"AGENTS.md".
- Added the `AGENTS.md` prompt to the customize settings section.
- **`docs/01-app/03-api-reference/06-cli/create-next-app.mdx`**:
- Added `--agents-md` flag to the options table.
- Updated recommended defaults and customize settings prompts.
Closes NEXT-
Fixes #
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Co-authored-by: Cursor Agent <cursoragent@cursor.com>
Co-authored-by: Joseph <icyJoseph@users.noreply.github.com>
