feat: Add git submodule vendor support

bug: Adding crane built package to `inputsFrom` in devShell produces `postBuildInstallFromCargoBuildLogOutTempXXX`

crane ignore sourceRoot for given sources

error: readme `README.md` does not appear to exist

bug: mkDummySrc tries to parse Cargo.toml files outside of src

Add NEXTEST_SHOW_PROGRESS=none to cargoNextest

git submodules not initialized anymore

Compile breaks with async-graphql v8.0.0-rc.1

fixed-point argument parameter on derivations

Incorrect include/exclude behavior with git dependencies (doesn't match `cargo package`)