docs(docs/**/intro): fix typo

[leedc0101]

Overview

fix intro.md typo

without -> with

Checklist

• Did you write the test code?
• Have you run yarn test:coverage to make sure there is no uncovered line?
• Did you write the JSDoc?

[choi2021]

Thanks

[vercel]

Deployment failed with the following error:

Creating the Deployment Timed Out.

[seungrodotlee]

Thanks! 👍