✨ multi threaded workers

README.md

@@ -71,12 +71,14 @@ You can annotate a function with `#[worker]` which gives them superpowers. These
 ```rust
 use comrade::{worker};
 
+// Single local worker
 #[worker]
 pub fn myfn(i: i32) -> i32 {
     i * 2
 }
 
-#[worker]
+// 4 local worker threads
+#[worker(4)]
 pub fn multiply(a: i32, b: i32) -> i32 {
     a * b
 }