docs: use giget for single example clone

[chenjiahan]

Summary

This PR updates the README single-example cloning instructions to use giget instead of gitpick. It also clarifies the output directory argument and adds a couple of example clone commands for other packages.

Validation

• pnpm exec prettier -c README.md

[coderabbitai]

Caution

Review failed

The pull request is closed.

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 519b73e6-ffa7-4c30-aff1-6458b7cca5e9

📥 Commits

Reviewing files that changed from the base of the PR and between 22571d0 and 9febc2d.

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• README.md

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📝 Walkthrough

Walkthrough

The README's "Clone single example" section is updated to replace gitpick with giget. The primary command example is changed to npx giget ... my-app targeting rspack/basic. A clarification is added stating that the second argument specifies the output directory, and two additional giget command examples are provided for cloning the Rsbuild React and Rslib React examples.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately summarizes the main change: updating README documentation to use giget instead of gitpick for single example cloning.
Description check	✅ Passed	The description is clearly related to the changeset, providing context about the tool replacement from gitpick to giget and mentioning clarifications and additional examples.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch chenjiahan/docs-use-giget

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_{Comment @coderabbitai help to get the list of available commands and usage tips.}

[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@README.md`:
- Around line 27-30: The directory navigation command has a mismatch: the giget
clone command on line 27 creates a directory named `my-app`, but the cd command
on line 30 attempts to navigate to `basic`, which does not exist. Change the cd
command to match the actual output directory by replacing `cd basic` with `cd
my-app` to ensure users can successfully navigate into the cloned example
directory.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: c356021e-b5ea-41ac-861c-a6194001a3ae

📥 Commits

Reviewing files that changed from the base of the PR and between 2a57932 and 22571d0.

📒 Files selected for processing (1)

• README.md

[chatgpt-codex-connector]

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