* use set for checking if a version is valid
* use Paper PR for snapshot reference
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Co-authored-by: TheosRee <theosree@users.noreply.github.com>
* Update branding in docs
* Update branding in README.md
* Update branding in plugin READMEs
* Update branding in plugins
* Update branding in libraries
* Update branding in the remaining places
* Add CONTRIBUTING.md and LICENSE files
* More branding in docs