Add description

Author: leoleoasd

Cargo.toml

@@ -2,6 +2,7 @@
 name = "pre-commit-rust"
 version = "0.1.0"
 edition = "2021"
+description = "Dummy cargo repo to ask pre-commit install cargo."
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 

src/main.rs

@@ -1,3 +1,3 @@
 fn main() {
-    println!("Hello, world!");
+    println!("This is only a placeholder.");
 }