WIP: Update zh_TW translation

[supersonictw]

Describe your changes

Draft

Update zh-TW translation.

Issue ticket number and link

https://github.com/nomic-ai/gpt4all/blob/main/gpt4all-chat/contributing_translations.md

Checklist before requesting a review

• I have performed a self-review of my code.
• If it is a core feature, I have added thorough tests.
• I have added thorough documentation for my code.
• I have tagged PR with relevant project labels. I acknowledge that a PR without labels may be dismissed.
• If this PR addresses a bug, I have provided both a screenshot/video of the original bug and the working solution.

Demo

Steps to Reproduce

None

Notes

None