[bn] Add language toggle functionality & partial Bengali localization

[debjotyms]

Checklist:

• You have [signed off your commits](https://www.kubeflow.org/docs/about/contributing/#sign-off-your-commits)
• Ensure you follow best practices from our guide. [Contributing](https://github.com/kubeflow/website/blob/master/content/en/docs/about/contributing.md)
• You have included screenshots when changing the website style or adding a new page.

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Description of your changes:

• Updated Bengali localization for the following folders:
  • content/bn/about
  • content/bn/started
  • content/bn/distributions
• Updated the Kubeflow homepage with Bengali localization content.
• Added a language toggle button to switch between English and Bengali versions on the website.

• Ensured all changes are properly signed off.

---

Issue:

Fixes: #4092

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Labels:

/area website

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[debjotyms]

I have copied all the files and folders from the /en to /bn and now localizing one by one. Is that a good approach? If not, then what people usually do in this type of scenarios?

[Arhell]

/ok-to-test

[github-actions]

This pull request has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[andreyvelich]

/remove-lifecycle stale

Thank you for this great effort @debjotyms!
@davidgs @kubeflow/kubeflow-outreach-committee @kubeflow/kubeflow-steering-committee Can we find contributors who can help with reviewing the content ?

@debjotyms We might also add OWNERs for the Bengali localization folder, like in k8s website: https://github.com/kubernetes/website/blob/main/content/bn/OWNERS

[terrytangyuan]

I am not sure if we really want this. This will be extremely hard to maintain and can easily get outdated based on my experience with docs in other languages before.

[andreyvelich]

I am not sure if we really want this. This will be extremely hard to maintain and can easily get outdated based on my experience with docs in other languages before.

I noticed that recently Kueue also introduce localization in their website: kubernetes-sigs/kueue#5842
Similar to Kubernetes website.
@tenzen-y @mimowo How do you ensure that Kueue website content is up-to-date ?

I agree that the maintenance might be an issue, but we should at least talk about it.
I feel that this is important enhancement for us to consider, so Kubeflow gets more adoption.

[davidgs]

I maintain my website in 4 different languages. I wrote a 'translator' that uses Google translate so that any new content is automatically translated. I can have updated content re-translated simply by deleting the translation file.

[mimowo]

How do you ensure that Kueue website content is up-to-date ?

We have this Makefile goal i18n-verify which is used to detect if the pages are out-of-sync.

[terrytangyuan]

Google Translate can translate a page directly so I wonder if that is sufficient: https://translate.google.com/?sl=en&tl=zh-CN&op=websites

[davidgs]

If it's in markdown, that won't work. Which is why I wrote the translator.

[terrytangyuan]

I guess since markdown files are only used as the source and static HTML files are generated for the website, it works fine. Example translation of KF website in Chinese: https://www-kubeflow-org.translate.goog/?_x_tr_sl=en&_x_tr_tl=zh-CN&_x_tr_hl=en&_x_tr_pto=wapp

[davidgs]

You absolutely do not want to just translate the generated HTML, since it will be re-generated on the next build. If the Markdown is not translated, then any changes to the static html will be lost on rebuild.