Settings and initial contents for Chinese localization

[hanyuancheung]

This PR is to initiate Chinese localization based on

• Issue to Request to Initiate Chinese Localization Team #451
• https://github.com/cncf/glossary/blob/main/LOCALIZATION.md guide

Base and target branch of this PR is dev-zh which is the development branch for Chinese localization.

This PR includes

• [languages.zh] section in config.toml
• content/zh/ directory
• i18n/zh.toml
• Some translated documents
  • Main page
    • content/zh/_index.md
  • Terms
    • "Cloud Native Technology": content/zh/cloud_native_tech.md
  • Others
    • contribute: content/zh/contribute/_index.md (partially localized)
    • style-guide: content/zh/style-guide/_index.md (partially localized)

Since the Chinese localization team owns content/zh/* only,
this PR will require approvals from upstream owners (maintainers).

[seokho-son]

@hanyuancheung ! Thank you for the contribution ! :)

We are going to check following tasks in this PR. (target branch is dev-zh)

• 3-1. Adding a new language setting to site configuration https://github.com/cncf/glossary/blob/main/LOCALIZATION.md#3-1-adding-a-new-language-setting-to-site-configuration
• 3-2. Adding a file for site strings https://github.com/cncf/glossary/blob/main/LOCALIZATION.md#3-2-adding-a-file-for-site-strings
• 3-3. Adding a new localization directory https://github.com/cncf/glossary/blob/main/LOCALIZATION.md#3-3-adding-a-new-localization-directory
• 3-4. Minimum required content https://github.com/cncf/glossary/blob/main/LOCALIZATION.md#3-4-minimum-required-content
• 3-5. Check configuration works https://github.com/cncf/glossary/blob/main/LOCALIZATION.md#3-5-check-configuration-works-and-open-a-pr

In the meantime,

1. Since I cannot review Chinese contents, could you invite volunteers who can review Chinese contents in this PR ? (I expect two reviewers' LGTM)
2. Cloud you test Hugo Build locally for this PR to verify the configuration works ? (This page does not have Netlify preview yet)

[netlify]

✔️ Deploy Preview for cncfglossary ready!

🔨 Explore the source changes: 0670138

🔍 Inspect the deploy log: https://app.netlify.com/sites/cncfglossary/deploys/6214579d9178c7000739a011

😎 Browse the preview: https://deploy-preview-464--cncfglossary.netlify.app

[hanyuancheung]

I've tested Hugo Build locally and successfully.
Cause I don't have the permission to invite reviewers, @seokho-son could you please help to add the approver permission? I'll invite and inform them to review this PR. Thx.

[seokho-son]

@hanyuancheung

I've tested Hugo Build locally and successfully.

Thanks !! :) We enabled Netlify preview as well.
https://deploy-preview-464--cncfglossary.netlify.app/zh/

Cause I don't have the permission to invite reviewers, @seokho-son could you please help to add the approver permission? I'll invite and inform them to review this PR. Thx.

We have additional procedure to give a permission :)
(need a consensus from maintainers first. I am going to arrange it)

The reviews I requested is about having comments, discussion, and consensus among Chinese volunteers using Comments in this PR. The volunteers can leave LGTM comment. don't need to approve this PR.
With LGTM comments, I will assume the Chinese contents in this PR has some agreement :)

(We hope to see some activities of volunteers who will apply for approvers)

[Jacob953]

LGTM.

[Rocksnake]

LGTM.

[Submarinee]

LGTM.

[hanyuancheung]

@seokho-son I found that the approvers are added successfully. Could this PR also be merged?

[Jacob953]

LGTM.

[Rocksnake]

LGTM.

[seokho-son]

LGTM :)

This PR includes contents outside /zh/* so requires maintainer's approval and merge.