master: update the tidb-cloud docs to the latest version

[qiancai]

What is changed, added or deleted? (Required)

Sync cloud docs to the latest version in release-8.5 on https://github.com/pingcap/docs/commits/release-8.5

Which TiDB version(s) do your changes apply to? (Required)

Tips for choosing the affected version(s):

By default, CHOOSE MASTER ONLY so your changes will be applied to the next TiDB major or minor releases. If your PR involves a product feature behavior change or a compatibility change, CHOOSE THE AFFECTED RELEASE BRANCH(ES) AND MASTER.

For details, see tips for choosing the affected versions.

• master (the latest development version)
• v9.0 (TiDB 9.0 versions)
• v8.5 (TiDB 8.5 versions)
• v8.1 (TiDB 8.1 versions)
• v7.5 (TiDB 7.5 versions)
• v7.1 (TiDB 7.1 versions)
• v6.5 (TiDB 6.5 versions)
• v6.1 (TiDB 6.1 versions)
• v5.4 (TiDB 5.4 versions)

What is the related PR or file link(s)?

• This PR is translated from:
• Other reference link(s):

Do your changes match any of the following descriptions?

• Delete files
• Change aliases
• Need modification after applied to another branch
• Might cause conflicts after applied to another branch

[gemini-code-assist]

Code Review

This pull request unifies the TiDB Cloud console experience by introducing an organization-level homepage, a unified resource creation workflow, and TiDB X projects for Starter and Essential instances, which are now referred to as 'instances' rather than 'clusters.' The documentation has been extensively updated to reflect these changes, including new guides for project management and API migration. Feedback focuses on restoring accidentally removed conditional content tags, correcting grammatical errors related to subject-verb agreement, and ensuring that menu paths and headings adhere to the repository's style guide, specifically regarding spacing and sentence case.

[qiancai]

/approve

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: qiancai

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• OWNERS [qiancai]

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[ti-chi-bot]

@qiancai: You cannot manually add or delete the cherry pick approval state labels, only I and the tursted members have permission to do so. You can approve it in internal platform.

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