Update db docs

[wallyxjh]

🤖[deprecated] Generated by Copilot at 02a7713

Summary

📝📊🌐

This pull request enhances the documentation and the monitoring of the Database component, especially for the Kafka database. It improves the Chinese translation of the Database component documentation, adds more supported databases and features to the English version, and updates the Prometheus query expressions for Kafka in service/database/api/req.go to match different pod name patterns.

Database of doom, unleash your power
Prometheus queries, devour the Kafka tower
No more experiments, only features and support
English and Chinese docs, spread the knowledge across the globe

Walkthrough

• Update the introduction of the Database component in both English and Chinese documentation, adding more supported databases and features, and removing the experimental phase statement. (link, link)
• Update the quick start section of the Database component in the Chinese documentation, adding more screenshots and steps to show how to deploy and access a database cluster. (link)
• Update the Prometheus query expressions for the Kafka database in the api package, adding more possible pod name patterns to match different Kafka deployments. (link)

[sealos-ci-robot]

🤖 Generated by lychee action

Summary

Status	Count
🔍 Total	1150
✅ Successful	395
⏳ Timeouts	0
🔀 Redirected	0
👻 Excluded	754
❓ Unknown	0
🚫 Errors	0

Full action output

Full Github Actions output

[sweep-ai]

Apply Sweep Rules to your PR?

• Apply: All new business logic should have corresponding unit tests.
• Apply: Refactor large functions to be more modular.
• Apply: Add docstrings to all functions and file headers.

[sealos-ci-robot]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (2255850) 65.45% compared to head (02a7713) 65.45%.
Report is 1 commits behind head on main.

❗ Current head 02a7713 differs from pull request most recent head 9eda369. Consider uploading reports for the commit 9eda369 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4381   +/-   ##
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  Coverage   65.45%   65.45%           
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  Files           8        8           
  Lines         660      660           
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  Hits          432      432           
  Misses        180      180           
  Partials       48       48           

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