Ray.jl v0.0.1 release checklist

[omus]

Required:

• [x] Decide if ray_julia_jll should be made into a submodule, and make it so (we decided to make this a submodule offline) #158
• [x] Codecov badge has been added to README: https://github.com/beacon-biosignals/Ray.jl/pull/151
• [x] Most of the README has been transferred into docs: https://github.com/beacon-biosignals/Ray.jl/pull/153
• [x] Documentation is automatically built in CI: https://github.com/beacon-biosignals/Ray.jl/pull/153
• [x] Instructions exist for installing from pre-built binaries: https://github.com/beacon-biosignals/Ray.jl/pull/153
• [x] Instructions exist for contributing/developing Ray.jl: https://github.com/beacon-biosignals/Ray.jl/pull/153
• [x] A guide exists for building the pre-built binaries: https://github.com/beacon-biosignals/Ray.jl/pull/163
• [x] Format repo: https://github.com/beacon-biosignals/Ray.jl/pull/145

Optional:

• [ ] Ray.jl driver performs a runtime check when connecting to the Raylet to validate they are version compatible: https://github.com/beacon-biosignals/Ray.jl/issues/175
• [x] Use separate Project.toml for build_jll.jl: https://github.com/beacon-biosignals/Ray.jl/pull/150
• [x] Stop using deps directory. Combine with gen directory? Possibly rename to cpp or build: https://github.com/beacon-biosignals/Ray.jl/pull/159
• [x] #84
• [ ] Disable DEBUG logging for Ray in release

[omus]

We've released Ray.jl 0.0.1