feat(shim): make logger module public

Downstream shim implementations can use this module to setup logger by
themselves. One example is runwasi's container process needs to use this
module to setup logger so that logs from the container process can be
populated to containerd.

Signed-off-by: Jiaxiao (mossaka) Zhou <[email protected]>

Author: Mossaka

crates/shim/src/lib.rs

@@ -56,7 +56,7 @@ pub use args::{parse, Flags};
 pub mod asynchronous;
 pub mod cgroup;
 pub mod event;
-mod logger;
+pub mod logger;
 pub mod monitor;
 pub mod mount;
 mod reap;