Release a new version to Crates.io to use oboe with ndk 0.8

[ameknite]

Objective:

Use oboe with ndk 0.8

In #57 ndk was updated to 0.8. but a new version to Crates.io has not being released.

alternatives:

[dependencies]
oboe = { git = "https://github.com/katyo/oboe-rs", branch = "master", features=["ndk"]}

[katyo]

@ameknite I have WIP release PR #58

[ameknite]

fixed
https://github.com/katyo/oboe-rs/releases/tag/0.6.0