Add Xquik to social media OSINT tools

[kriptoburak]

Summary

• add Xquik to the Social Media OSINT tools table
• keep serial numbers sequential after the new row

Validation

• git diff --check
• serial-number check returned 103 rows
• checked https://docs.xquik.com/api-reference/overview returned 200
• duplicate checks found no Xquik PR, issue, or entry in this repository

[kriptoburak]

If this is useful and you merge it after checks pass, feel free to share the PR on X/Twitter and mention my handle, burakbayir. I can repost or retweet it to my 24k followers of developers and power users, which may help more relevant users discover this repo.