docs: update stac readme links

[curogom]

Description

• replace the outdated Quick Start link with the working docs URL
• switch internal CONTRIBUTING and LICENSE links to repo-relative paths
• update the social link label to X while pointing at the new profile URL

Related Issues

Type of Change

• New feature (non-breaking change which adds functionality)
• Bug fix (non-breaking change which fixes an issue)
• Breaking change (fix or feature that would cause existing functionality to change)
• Code refactor
• Build configuration change
• Documentation
• Chore

Summary by CodeRabbit

• Documentation
  • Updated Quick Start link to the new docs location to prevent broken or outdated links.
  • Adjusted Contributing link to a repository-relative path for consistent in-repo navigation.
  • Updated License reference to point to the local LICENSE file for clearer licensing information.
  • Renamed social link from Twitter to X and updated the handle and URL accordingly.

[CLAassistant]

All committers have signed the CLA.

[coderabbitai]

Walkthrough

Updated documentation links and references in packages/stac/README.md: Quick Start URL changed to https://docs.stac.dev/quickstart; Contributing and License references now point to local files; social handle label changed from Twitter to X with URL https://x.com/stac_dev. (45 words)

Changes

Cohort / File(s)	Summary of Changes
README link and reference updates packages/stac/README.md	Updated Quick Start URL to https://docs.stac.dev/quickstart; changed Contributing link to ../../CONTRIBUTING.md; updated License reference to local LICENSE; renamed "Twitter" to "X" and updated URL to https://x.com/stac_dev.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Possibly related PRs

• chore: Update Readme #369 — Edits the same packages/stac/README.md, updating README links and social handle.

Suggested reviewers

• rahulbisht25
• Potatomonsta

Poem

I hop through docs with nimble feet,
Links aligned, concise and neat.
Contrib close, License near,
Quickstart’s path is crystal clear.
On X I squeak, “All set!” — hooray, my dear. 🐇✨

Pre-merge checks and finishing touches

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title Check	✅ Passed	The title succinctly highlights that this documentation PR updates the STAC README links. It uses the “docs:” prefix to clearly indicate its scope and remains concise. This phrasing directly corresponds to the main changes without introducing unrelated details.
Docstring Coverage	✅ Passed	No functions found in the changes. Docstring coverage check skipped.

✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

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[coderabbitai]

Actionable comments posted: 1

📜 Review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between ea09b7c and 97b511d.

📒 Files selected for processing (1)

• packages/stac/README.md (1 hunks)

[coderabbitai]

Actionable comments posted: 1

📜 Review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 961db14 and 50da2ff.

📒 Files selected for processing (1)

• packages/stac/README.md (1 hunks)

[coderabbitai]

⚠️ Potential issue | 🟠 Major

Restore absolute links for cross-site rendering.

Switching to repo-relative paths (../../CONTRIBUTING.md, /LICENSE) breaks these links anywhere the README is rendered outside GitHub (e.g., pub.dev resolves them to https://pub.dev/…, resulting in 404). Please keep them as explicit GitHub URLs so they work universally.

-🤝 **[Contributing](../../CONTRIBUTING.md)** – Help build Stac
+🤝 **[Contributing](https://github.com/StacDev/stac/blob/dev/CONTRIBUTING.md)** – Help build Stac
 …
-This project is licensed under the MIT License - see the [LICENSE](/LICENSE) file for details.
+This project is licensed under the MIT License - see the [LICENSE](https://github.com/StacDev/stac/blob/dev/LICENSE) file for details.

📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change

	- 🤝 **[Contributing](../../CONTRIBUTING.md)** – Help build Stac
	## License
	This project is licensed under the MIT License - see the [LICENSE](https://github.com/StacDev/stac/blob/dev/LICENSE) file for details.
	This project is licensed under the MIT License - see the [LICENSE](/LICENSE) file for details.
	🤝 **[Contributing](https://github.com/StacDev/stac/blob/dev/CONTRIBUTING.md)** – Help build Stac
	## License
	This project is licensed under the MIT License - see the [LICENSE](https://github.com/StacDev/stac/blob/dev/LICENSE) file for details.

🤖 Prompt for AI Agents

packages/stac/README.md lines 51-55: the README uses repository-relative links
("../../CONTRIBUTING.md" and "/LICENSE") which break when rendered off GitHub;
replace them with absolute GitHub URLs (e.g.,
https://github.com/<owner>/<repo>/blob/main/CONTRIBUTING.md and
https://github.com/<owner>/<repo>/blob/main/LICENSE) so the links resolve
correctly on external sites and package registries.