ctest: add description to Cargo.toml to release to crates.io

Author: mbyx

ctest/Cargo.toml

@@ -2,6 +2,7 @@
 name = "ctest"
 version = "0.5.0-beta.0"
 edition = "2024"
+description = "Automated testing of FFI bindings in Rust."
 rust-version = "1.88"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/rust-lang/libc"