Add more docs

crates/buffers/src/lib.rs

@@ -1,3 +1,8 @@
+// This crate used for making working with &[u8] or Vec<u8> generic in other parts of librqbit,
+// for nicer display of binary data etc.
+//
+// Not useful outside of librqbit.
+
 use serde::{Deserialize, Deserializer};
 
 use clone_to_owned::CloneToOwned;