Update showcase plugin and improve GitHub Actions workflow

[homotechsual]

No description provided.

[homotechsual]

@copilot resolve the merge conflicts in this pull request

[Copilot]

Pull request overview

This PR updates the site’s plugin/tooling dependencies and adds an automated “plugin submission issue → draft PR” flow to streamline adding new plugin directory entries.

Changes:

• Bump @homotechsual/docusaurus-plugin-showcase (and related lockfile updates), plus prettier and webpack.
• Add a GitHub Issue Form template for plugin submissions and a workflow that generates a plugin YAML file + opens a draft PR from the issue.
• Minor MDX/doc formatting updates in the component library and plugin contributing guide.

Reviewed changes

Copilot reviewed 5 out of 7 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
yarn.lock	Locks updated versions for the showcase plugin and dev tooling.
package.json	Bumps showcase plugin + prettier + webpack versions.
docs/component-library/new/Card/index.mdx	Minor JSX/MDX formatting adjustments in card examples.
contributing/plugins.mdx	Updates plugin submission guidance and documents automated submission path.
.github/workflows/create-plugin-pr.yml	New automation workflow to create a YAML entry + draft PR from a labeled issue.
.github/ISSUE_TEMPLATE/add-plugin.yml	New issue form for collecting structured plugin submission data.

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[Copilot]

@copilot resolve the merge conflicts in this pull request

Resolved in 0a70744.

[github-actions]

⚡ Successfully deployed to Cloudflare Pages!

• 🔨 Latest commit: 6fc1e785d01e613f667c134e07fd244de8b9df04
• 🔍 Latest deploy log: https://github.com/DocusaurusCommunity/website/actions/runs/28711593312
• 😎 Deploy preview URL: https://develop.docusauruscommunitywebsite.pages.dev
• 🌳 Environment: preview