🔨 add Developer tools/scripts (#828)

* 🔨 add Developer tools

* Update downloader.js

* Update game.js

* Update .pre-commit-config.yaml

* Update sync_versions.yml

* removed: mixed line ending tool

* Update swagger.yml

* Update push-docker.yml

* Update build.yml

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Co-authored-by: Anthony Stirling <77850077+Frooodle@users.noreply.github.com>