docs: add missing api folder in turbo prune api --docker example

[gianelli99]

Description

Hi everybody! I'm learning Turborepo and I think there's an incorrect example in the Docker guide.

Testing Instructions

To reproduce the issue I just created a new repository and runned the turbo prune command. In this case, docs app is equivalent to api app.

npx create-turbo@latest
npm install turbo --global
turbo prune docs --docker

Screenshots

Extra

It's my first time opening a PR here, please let me know if I should do something different! Thanks

[vercel]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Comments	Updated (UTC)
examples-basic-web	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Dec 24, 2024 1:11pm
examples-designsystem-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Dec 24, 2024 1:11pm
examples-gatsby-web	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Dec 24, 2024 1:11pm
examples-kitchensink-blog	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Dec 24, 2024 1:11pm
examples-native-web	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Dec 24, 2024 1:11pm
examples-nonmonorepo	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Dec 24, 2024 1:11pm
examples-svelte-web	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Dec 24, 2024 1:11pm
examples-tailwind-web	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Dec 24, 2024 1:11pm
examples-vite-web	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Dec 24, 2024 1:11pm

[vercel]

@gianelli99 is attempting to deploy a commit to the Vercel Team on Vercel.

A member of the Team first needs to authorize it.

[anthonyshew]

Good catch! Thank you.

[ijjk]

Allow CI Workflow Run

• approve CI run for commit: a650f25

Note: this should only be enabled once the PR is ready to go and can only be enabled by a maintainer

[ijjk]

Allow CI Workflow Run

• approve CI run for commit: a650f25

Note: this should only be enabled once the PR is ready to go and can only be enabled by a maintainer