[FR] Please provide firebase package with UPM git url

[Thaina]

Feature proposal

With Game Package Registry by Google was shut down as of #1028. We understand the complication but the UPM system to include package still allow direct git dependency

With that, Google should create git repo for firebase package in github, maybe making a Release folder in this repo directly, and allow us to include all firebase package with this method in addition to .tgz

FYI, UPM has feature to include with path for pointing to specific subfolder https://docs.unity3d.com/Manual/upm-git.html#subfolder so we could only have one repo for all firebase module and point it to separate subfolder

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[Thaina]

Also by releasing with git repo, firebase should not need to build dll for it's module anymore. Please just release the firebase for unity raw source code (even it auto generate it should still be able to release that isn't it?), it better for unity system and also allow firebase to target specific version with preprocessor directives. We could also debug and fix bug with it or fork it when needed

[Thaina]

There is official comment from unity that using git url in UPM are not related to their new terms. It should be considered that using git url with UPM are no difference from using tgz

https://forum.unity.com/threads/updates-to-our-terms-of-service-and-new-package-guidelines.999940/#post-7158721