docs: add Zaprite to companyList.tsx

[nk1tz]

✅ Checklist

• I have followed every step in the contributing guide (updated 2022-10-06).
• The PR title follows the convention we established conventional-commit
• I performed a functional test on my final commit

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Changelog

Zaprite has been using the t3 stack for 3 years now. We are very happy with it.

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