add a community app

[sugar-is-everythong]

Description

add a community app
This project is developed based on Wails v3.0.0-alpha2.105

Type of change

Please select the option that is relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

For the newly added pictures and the newly added MD descriptions, the grammar, content and format have all been checked.

• Windows
• macOS
• Linux

Checklist:

• I have updated website/src/pages/changelog.mdx with details of this PR
• My code follows the general coding style of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

Summary by CodeRabbit

• New Features
  • Added a new community showcase entry for the “wpm（塞壁纸）” project.
  • Added a dedicated documentation page with a preview image, GitHub/Gitee links, and an overview.
  • Highlights enhanced wallpaper customization, including custom wallpaper sources, multi-monitor support, and random/sequential switching modes.

[coderabbitai]

Walkthrough

Adds a new community showcase entry for “wpm（塞壁纸）” and a matching wpm.md page with project details, links, screenshot, and a bilingual introduction.

Changes

wpm Showcase Addition

Layer / File(s)	Summary
Showcase entry and documentation page docs/src/content/docs/community/showcase/index.mdx, docs/src/content/docs/community/showcase/wpm.md	Adds a new ShowcaseImage entry linking to /community/showcase/wpm and creates the corresponding wpm.md page with title, screenshot, GitHub/Gitee links, and a bilingual project introduction.

Estimated code review effort: 1 (Trivial) | ~3 minutes

Possibly related PRs

• wailsapp/wails#5061: Both PRs add new community showcase entries and corresponding pages in the same showcase docs area.
• wailsapp/wails#5433: Both PRs extend the showcase list and add a new markdown page for a project entry.
• wailsapp/wails#5620: Both PRs update the showcase index and add a new project showcase page with metadata and screenshots.

Suggested labels: Documentation, size:S

Suggested reviewers: leaanthony

Poem

A rabbit hopped through docs today,
To add a wallpaper showcase way.
WPM now joins the line,
With links and screenshot shine,
Hop hop—new pages on display! 🐇

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Title check	✅ Passed	It states the main change at a high level and matches the added community showcase app content.
Description check	✅ Passed	The description mostly follows the template with summary, change type, testing, and checklist, but it omits the issue reference and dependency details.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@docs/src/content/docs/community/showcase/wpm.md`:
- Around line 8-9: The second showcase link in the wpm markdown still points to
the GitHub repository, so update the link target in the wpm entry to the correct
Gitee mirror URL or change the label if no Gitee repository exists. Make the fix
in the markdown content for the showcase item so the “塞壁纸” link destination
matches its intended source.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: 884f8bff-0988-424f-b6dc-a400dbfb163e

📥 Commits

Reviewing files that changed from the base of the PR and between b562b37 and 6315169.

📒 Files selected for processing (2)

• docs/src/content/docs/community/showcase/index.mdx
• docs/src/content/docs/community/showcase/wpm.md