Add Xquik social intelligence tool

[kriptoburak]

Summary

• Add Xquik to the Data-Analysis tools list as an off-chain X data source for crypto investigations.
• Keep the entry focused on public tweet search, account lookup, follower export, monitors, media workflows, MCP, SDKs, and webhooks.

Validation

• git diff --check
• Verified the Xquik repository link resolves.
• Checked README, all-state PRs, all-state issues, and discussions for existing Xquik entries.
• Reviewed the diff for private implementation details, secrets, badges, and unsupported claims.