- replace old Docker desktop screenshot with the new sidebar
- Remove all references to Yarn in the explanation for Part 1
- Show new project directory structure for getting-started-repo
- Remove PWD reference from Part 3
- Remove all occurances of Yarn in Part 7 and 8
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## Description
<!-- Tell us what you did and why -->
## Related issues or tickets
<!-- Related issues, pull requests, or Jira tickets -->
## Reviews
This PR is heavily dependent upon
https://github.com/docker/getting-started-app/pull/98
<!-- Notes for reviewers here -->
<!-- List applicable reviews (optionally @tag reviewers) -->
- [ ] Technical review
- [ ] Editorial review
- [ ] Product review
---------
Co-authored-by: Craig Osterhout <craig.osterhout@docker.com>
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## Description
Updated image to `node:lts-alpine` and tested in bind mounts,
multi-container, and compose topics.
`node:18-alpine` is no longer available.
The image was already updated to `node:lts-alpine` in the initial topics
of the workshop.
lts (version 22) should be good until April 2027
## Related issues or tickets
https://docker.slack.com/archives/C04BMTUC41E/p1758903149468219
## Reviews
<!-- Notes for reviewers here -->
<!-- List applicable reviews (optionally @tag reviewers) -->
- [ ] Editorial review
Signed-off-by: Craig <craig.osterhout@docker.com>
