docs: mention --no-interactive flag (#21152)

Co-authored-by: Bjorn Lu <bjornlu.dev@gmail.com>

Author: hi-ogawa

docs/guide/index.md

@@ -106,6 +106,8 @@ See [create-vite](https://github.com/vitejs/vite/tree/main/packages/create-vite)
 
 You can use `.` for the project name to scaffold in the current directory.
 
+To create a project without interactive prompts, you can use the `--no-interactive` flag.
+
 ::::
 
 ## Community Templates