chore: Setup i18n for Tibetan Language

[TenzDelek]

Description

Added Tibetan language setup to config.json to enable Tibetan translations on Crowdin

Validation

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Check List

• [x] I have read the Contributing Guidelines and made commit messages that follow the guideline.
• [x] I have run npm run format to ensure the code follows the style guide.
• [x] I have run npm run test to check if all tests are passing.
• [x] I have run npx turbo build to check if the website builds without errors.
• [ ] I've covered new added functionality with unit tests if necessary.

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Name	Status	Preview	Updated (UTC)
nodejs-org	✅ Ready (Inspect)	Visit Preview	Jun 22, 2024 5:45am

[bmuenzenmeyer]

This PR will need to be rebased or recreated now that https://github.com/nodejs/nodejs.org/pull/6850 merged.