feat: initialize rust project

kernel/.gitignore

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+/target

kernel/Cargo.lock

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kernel/Cargo.toml

@@ -0,0 +1,6 @@
+[workspace]
+resolver = "3"
+members = ["lcrconn", "lcrconn-cli"]
+
+[workspace.dependencies]
+thiserror = "2.0.12"

kernel/lcrconn-cli/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "lcrconn-cli"
+version = "1.0.0"
+edition = "2024"
+
+[dependencies]
+thiserror = { workspace = true }
+lcrconn = { path="../lcrconn" }
+clap = { version="4.5.48", features=["derive"]}

kernel/lcrconn-cli/src/main.rs

@@ -0,0 +1,3 @@
+fn main() {
+    println!("Hello, world!");
+}

kernel/lcrconn/Cargo.toml

@@ -0,0 +1,7 @@
+[package]
+name = "lcrconn"
+version = "1.0.0"
+edition = "2024"
+
+[dependencies]
+thiserror = { workspace = true }

kernel/lcrconn/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);
+    }
+}