feat(wm): cycle through monitors and workspaces

This commit adds commands to navigate monitors and workspaces using
cycle directions.

resolve #47

komorebi-core/src/cycle_direction.rs

@@ -1,7 +1,8 @@
+use std::num::NonZeroUsize;
+
 use clap::ArgEnum;
 use serde::Deserialize;
 use serde::Serialize;
-use std::num::NonZeroUsize;
 use strum::Display;
 use strum::EnumString;