Add Xquik API Lab entry

[kriptoburak]

Summary

Adds Xquik API to Bulz API Lab as an API-key Social Data resource.

Fixes: N/A

Changes

• Add one xquik entry to web/src/lib/apilab-registry.json.
• Include the public tweet search endpoint and stable API reference docs URL.

Type of change

• Bug fix
• New feature
• Refactor/Chore
• Documentation
• Breaking change

How Has This Been Tested?

• jq empty web/src/lib/apilab-registry.json
• git diff --check
• npm --prefix web ci
• npm --prefix web run lint
• Verified https://docs.xquik.com/api-reference/overview returns 200.

Screenshots (if applicable)

N/A

Checklist

• I have read the Code of Conduct and this PR adheres to it
• I ran linters/tests locally and they passed
• I updated documentation as needed
• I added tests or explain why not applicable
• I added a changeset if this change affects published packages

Additional context

This is a registry data-only addition. No package code changes or changeset are needed.

[vercel]

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