* Put the onnx example behind a feature flag. * Exclude the onnx bits from the workspace. * README tweaks.
* Add the onnx protos. * Move the reading bits. * Install protoc on the CI. * Install protoc on the cuda CI too. * Use clap for the onnx tool. * Tweak the CI protoc install. * Add some simple evalution function. * Add some binary operator support.