Initialize Cargo package

pkgs/rust/.gitignore

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+/Cargo.lock
+/target/

pkgs/rust/Cargo.toml

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+[package]
+name = "kernaux"
+version = "0.0.0"
+authors = ["Alex Kotov <kotovalexarian@gmail.com>"]
+edition = "2021"
+description = "Auxiliary library for kernel development"
+readme = false
+homepage = "https://github.com/tailix/libkernaux"
+repository = "https://github.com/tailix/libkernaux.git"
+license = "MIT"
+keywords = ["ffi", "no_std", "no-std", "embedded", "bindings"]
+categories = ["api-bindings", "embedded", "external-ffi-bindings", "no-std", "parsing"]
+publish = true
+
+[dependencies]

pkgs/rust/src/lib.rs

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+#[cfg(test)]
+mod tests {
+    #[test]
+    fn it_works() {
+        let result = 2 + 2;
+        assert_eq!(result, 4);
+    }
+}