- Replaced `bitcode` crate with `bincode` in workspace dependencies.
- Added new crate `varo` for random optimization with `Varo` trait, `Distribution`, and `optimize` function.
- Defined `Root` world struct placeholder in `vanth` crate.
- Created `reference.rs` test module in `vanth` with custom components and events.
- Added TODOs in `varo` for RNG implementation and `optimize` function.
