Collection: useful Playdate projects in Rust (🦀)

[boozook]

Please confirm this pull request meets the following requirements:

• [x] I followed the contributing guidelines: https://github.com/github/explore/blob/main/CONTRIBUTING.md.
• [x] I am not the sole author or employee of a company who created either the topic I am modifying/adding or the collection entry I am modifying/adding.

Which change are you proposing?

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

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Curating a new collection

• [x] 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])
• [x] My folder contains a *.png image (if applicable) and index.md
• [x] All required fields in my index.md conform to the Style Guide and API docs: https://github.com/github/explore/tree/main/docs

Collection of links, crates, tools and other projects that could be helpful to make game for Playdate gaming console in Rust programming language. I would love to curate this list. ❤️‍🔥