Add full source code at release

[amazingfate]

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I'm planning to package sunshine for debian, and now sunshine is a project with many git submodules, which makes the default source tar ball unusable to build. It's better to provide a full source code tar ball at every release like what moonglight-qt is doing:
https://github.com/moonlight-stream/moonlight-qt/releases/download/v6.1.0/MoonlightSrc-6.1.0.tar.gz

[ReenigneArcher]

How will your debian package differ from what we provide?

Also, if you're just aiming for repeatable builds. It's somewhat unlikely having the tarball will achieve that. Things break in the build all the time due to changes in system dependencies outside of our control.

There's also npm dependencies, which I probably wouldn't include in a src archive. Too many licenses would need to be evaluated for the legal right to distribute the code.