WiP: Add Chinese translation for jenkins-x index page

[lhui]

Description

Synchronize the zh index with the en branch and Add Chinese translation for the Jenkins-x index page.

Checklist:

• I have mentioned the appropriate type(scope), as referenced here in the commit message and PR title for the semantic checks to pass.
• I have signed off the commit, as per instructions mentioned here.
• Any dependent changes have already been merged.

[jenkins-x-bot-test]

Hi @tcpgnl. Thanks for your PR.

I'm waiting for a jenkins-x or todo member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

I understand the commands that are listed here.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the jenkins-x/lighthouse repository.

[sonarqubecloud]

SonarCloud Quality Gate failed.   

10 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
40.5% Duplication

[jenkins-x-bot-test]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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