Add Jule to the programming laguages collection

[adamperkowski]

Please confirm this pull request meets the following requirements:

• I followed the contributing guidelines: https://github.com/github/explore/blob/main/CONTRIBUTING.md.
• 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.

I am a member of the julelang organization.

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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Editing an existing topic or collection

I'm suggesting these edits to an existing topic or collection:

• Image (and my file is *.png, square, dimensions 288x288, size <= 75 kB)
• Content (and my changes are in index.md)

Jule is a general-purpose programming language focusing on systems programming. It aims to be fast, efficient and safe. It has its own set of goals and ideas that make it original. Jule is being actively developed on GitHub sice 2021.

[adamperkowski]

CI failure is unrelated to the changes.

[kenyonj]

💯 🍨 Thank you for your contribution! I'll merge this in as soon as CI is 🍏

[kenyonj]

Can you update your fork with main? That'll clear out the failing CI.
Thanks!

[adamperkowski]

no problem! done