fix: cleanup structs into correct files

src/aout.rs

@@ -5,6 +5,7 @@ pub type c_long = i32; // we use a a.out with 32 byte
 
 #[derive(Debug)]
 #[allow(dead_code)]
+/// Internal representation of the a.out binary format.
 pub struct Aout {
     pub header: Header,
     pub text: Vec<u8>,