add doc-comments for bootstrap/misc/mod.rs

Signed-off-by: onur-ozkan <work@onurozkan.dev>

Author: onur-ozkan

src/bootstrap/src/misc/mod.rs

@@ -1,3 +1,7 @@
+//! This module is an integral component of the build and configuration process, providing
+//! support for a wide range of tasks and operations such as caching, cc detection, release
+//! channels, job management, etc.
+
 pub(crate) mod cache;
 pub(crate) mod cc_detect;
 pub(crate) mod channel;