Add YOURLS topic

[ozh]

Please confirm this pull request meets the following requirements:

• I followed the contributing guidelines: https://github.com/github/explore/blob/main/CONTRIBUTING.md.
• This change is not self-promotion.

Which change are you proposing?

• Suggesting edits to an existing topic or collection
• Curating a new topic or collection
• Something that does not neatly fit into the binary options above

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Curating a new topic or collection

• I've formatted my changes as a new folder directory, named for the topic or collection as it appears in the URL on GitHub (e.g. https://github.com/topics/[NAME] or https://github.com/collections/[NAME])
• My folder contains a *.png image (if applicable) and index.md
• All required fields in my index.md conform to the Style Guide and API docs: https://github.com/github/explore/tree/main/docs

YOURLS is a popular URL shortener written in PHP, with an active community of 100+ contributors.

It also gathers a community of YOURLS plugin authors (250+ plugins), articles and tutorials. We have a dedicated and active YOURLS/awesome repository.

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Please note: we will close your PR without comment if you do not check the boxes above and provide ALL requested information.

[Copilot]

Pull Request Overview

This PR adds a new topic for YOURLS, a popular open-source URL shortener written in PHP. The topic includes metadata, related tags, and a description highlighting its community-driven nature and plugin ecosystem.

• Adds a new YOURLS topic with proper metadata structure
• Includes relevant aliases for YOURLS plugins, extensions, and clients
• Provides comprehensive topic information including release date, GitHub URL, and official website

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[kenyonj]

Looks great. Thanks for your contribution!

[ozh]

Thanks !

The page https://github.com/topics/yourls still shows the "Improve this page" and "Curate this topic" bits. Am I missing something?