Add made-in-hungary

[sibosi]

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

This collection curates open-source projects that were built in Hungary or receive significant contributions from Hungarian companies and communities.

[Copilot]

Pull Request Overview

This PR adds a new collection called "Made in Hungary" that curates open-source projects built in Hungary or receiving significant contributions from Hungarian companies and communities.

• Creates a new collection directory with metadata and project listings
• Includes 9 Hungarian open-source projects spanning various domains like presentations, spell checking, architecture software, logging, NLP, and government integrations
• Provides a clear description emphasizing the Hungarian connection to these projects

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[ahpook]

Nice addition, thank you! I requested one change for prezi.

[ahpook]

Thanks for the change @sibosi, LGTM!