Add Korean translation for glossary.md
Author: JoosunH
Pull request: yes

# What does this PR do?

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## Before submitting
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Models:

- text models: @ArthurZucker
- vision models: @amyeroberts, @qubvel
- speech models: @eustlb
- graph models: @clefourrier

Library:

- flax: @gante and @Rocketknight1
- generate: @zucchini-nlp (visual-language models) or @gante (all others)
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- tokenizers: @ArthurZucker
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HF projects:

- accelerate: [different repo](https://github.com/huggingface/accelerate)
- datasets: [different repo](https://github.com/huggingface/datasets)
- diffusers: [different repo](https://github.com/huggingface/diffusers)
- rust tokenizers: [different repo](https://github.com/huggingface/tokenizers)

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Comments:
Hi @jungnerd , I've finished translating glossary.md into Korean.
Following the i18n guidelines — would appreciate your review when you have time 😊
Thank you!

cc @stevhliu

감사합니다! 모든 제안사항 반영하였습니다! 확인 부탁드립니다!

Hi @stevhliu 👋
The Korean translations look great to me. I believe this PR is ready to be merged!

Thank you both for iterating and contributing! 🤗 

The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/transformers/pr_38804). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.