misc: initial layout

server/crates/arbiter-proto/Cargo.toml

@@ -0,0 +1,11 @@
+[package]
+name = "arbiter-proto"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+tonic.workspace = true
+prost.workspace = true
+
+[build-dependencies]
+tonic-prost-build = "0.14.3"

server/crates/arbiter-proto/build.rs

@@ -0,0 +1,4 @@
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    // tonic_prost_build::compile_protos("../../protobufs/")?;
+    Ok(())
+}

server/crates/arbiter-proto/src/lib.rs

@@ -0,0 +1,14 @@
+pub fn add(left: u64, right: u64) -> u64 {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert_eq!(result, 4);
+    }
+}