feat: Add Traditional Chinese translation

[khushiiagrawal]

📌 Fixes

Fixes #253

📝 Summary of Changes

• Added Traditional Chinese (繁體中文) translation support to the KubeStellar documentation website
• Migrated locale code from TC to zh-TW following standard BCP 47 locale naming conventions

Note: Translations were created with reference to the KubeStellar UI repository to ensure consistency across the KubeStellar ecosystem.

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Changes Made

• Added Traditional Chinese translation file (messages/zh-TW.json) with 899 translation keys covering all pages and components
• Updated locale code from TC to zh-TW in src/i18n/settings.ts to follow standard locale naming conventions
• Updated locale name mapping to use zh-TW instead of TC for Traditional Chinese

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Checklist

Please ensure the following before submitting your PR:

• I have reviewed the project's contribution guidelines.
• I have written unit tests for the changes (if applicable).
• I have updated the documentation (if applicable).
• I have tested the changes locally and ensured they work as expected.
• My code follows the project's coding standards.

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Screenshots or Logs (if applicable)

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👀 Reviewer Notes

Translations were created with reference to the KubeStellar UI repository to maintain consistency. The locale code migration from TC to zh-TW follows standard BCP 47 locale naming conventions.

[khushiiagrawal]

@vedansh-5 @naman9271 PTAL
I have taken reference from the kubesteller/ui repo for the translation.
please let me know if any changes required.
thanks.

[naman9271]

Nice Work @khushiiagrawal .
let's hold on into this as currently en.json is not finallised properly and also needs to extract strings from new pages so currently putting it on hold.
will let you know when en.json is finished

[naman9271]

would you like to work on #306 ?

[khushiiagrawal]

Nice Work @khushiiagrawal . let's hold on into this as currently en.json is not finallised properly and also needs to extract strings from new pages so currently putting it on hold. will let you know when en.json is finished

sure. thanks.

[khushiiagrawal]

would you like to work on #306 ?

Okay. Will work on it
thanks!

[naman9271]

@khushiiagrawal please fix formatting issues

[khushiiagrawal]

@khushiiagrawal please fix formatting issues

@naman9271 it's fixed, PTAL
thanks!