Modify the style and structure of the partner page.

[suqin9]

• Please check if the PR fulfills these requirements

• The commit message follows our guidelines
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

Which issue(s) this PR fixes:

Fixes #665

• What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)

Feature: Add reusable PartnerCard component and update partners page to use cards instead of table layout.

• What is the current behavior? (You can also link to an open issue here)

The partners page displays all partner information in a markdown table, which lacks flexibility and is not visually consistent with modern UI expectations.

• What is the new behavior (if this is a feature change)?

Introduces a PartnerCard React component to render each partner's info in card layout with description truncation, expandable content, and link to website. The table layout has been replaced with responsive cards.

• Does this PR introduce a breaking change? (What changes might users need to make in their application due to this PR?)

No.

• Other information:

This PR enhances the visual layout and maintainability of the partners page. The new structure allows adding partner cards via React components, making it easier to extend in the future.

[kubeedge-bot]

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[kubeedge-bot]

Welcome @suqin9! It looks like this is your first PR to kubeedge/website 🎉

[Shelley-BaoYue]

Thanks for your contributions! Looks like the Partners page has been optimized a lot. Welcome to communicate more details at Community Meeting, 16:00 every Wednesday.

[Shelley-BaoYue]

Please don't use any Chinese comments

[Shelley-BaoYue]

Hardware compatibility testing has not started yet. We can hide this page in thie PR. Tutorials page can also be hiden first. Ref to the job center page at L174-180.