move 'bytes' back to commands (#10051)

# Description

Moves the `bytes XXXX` commands back to the default set.

crates/nu-command/src/lib.rs

@@ -1,3 +1,4 @@
+mod bytes;
 mod charting;
 mod conversions;
 mod date;
@@ -27,6 +28,7 @@ mod strings;
 mod system;
 mod viewers;
 
+pub use bytes::*;
 pub use charting::*;
 pub use conversions::*;
 pub use date::*;