Adds nodes to control the flow of digiline messages.
## TODO
- limiter and router
- crossing and double corner insulated wires
- compatibility for replacing `digiline_routing`
- craft recipes
- isulated wires from `digistuff` (when not installed)
## License
Except for any exceptions stated in [LICENSE.md](LICENSE.md#exceptions), all code is licensed under the [MIT License](LICENSE.md#mit-license), with all textures, models, sounds, and other media licensed under the [CC BY-SA 4.0 License](LICENSE.md#cc-by-sa-40-license).