jgo v0.0.1

This is the first version that worked successfully by using Bzlmod and some helper macros.

This does not not use a WORKSPACE file, only MODULE.bazel alongside .bzl files at //private.

It uses the non-versioned Java Lexer and Parser from ANTLR.

Full Changelog: https://github.com/albertocavalcante/jgo/commits/v0.0.1