Static JNI for JNA

[sgammon]

Issue description

It would be cool to embed the JNA native pieces so we don't have to load them on-demand at runtime.

### Tasks
- [ ] elide-dev/jna#1
- [ ] https://github.com/elide-dev/elide/pull/991
- [ ] https://github.com/elide-dev/elide/pull/988
- [ ] https://github.com/elide-dev/elide/issues/990
- [ ] https://github.com/elide-dev/elide/issues/984