Move the history and tutor commands out of core_commands (#5813)

* move history and tutor commands from core to misc

* add in the Misc Category for the history and tutor commands

crates/nu-command/src/lib.rs

@@ -13,6 +13,7 @@ mod formats;
 mod generators;
 mod hash;
 mod math;
+mod misc;
 mod network;
 mod path;
 mod platform;
@@ -38,6 +39,7 @@ pub use formats::*;
 pub use generators::*;
 pub use hash::*;
 pub use math::*;
+pub use misc::*;
 pub use network::*;
 pub use path::*;
 pub use platform::*;