split s3/cors.rs into also common/cors.rs

src/api/common/lib.rs

@@ -4,9 +4,9 @@ extern crate tracing;
 
 pub mod common_error;
 
+pub mod cors;
 pub mod encoding;
 pub mod generic_server;
 pub mod helpers;
 pub mod router_macros;
-/// This mode is public only to help testing. Don't expect stability here
 pub mod signature;