feat(cli): add stack-all and unstack-all cmds

This commit adds two new commands, stack-all, which puts all windows in
the focused workspace into a single stack, and unstack-all, which
unstacks all windows in the currently focused container.

komorebi-core/src/lib.rs

@@ -43,6 +43,8 @@ pub enum SocketMessage {
     CycleFocusWindow(CycleDirection),
     CycleMoveWindow(CycleDirection),
     StackWindow(OperationDirection),
+    StackAll,
+    UnstackAll,
     ResizeWindowEdge(OperationDirection, Sizing),
     ResizeWindowAxis(Axis, Sizing),
     UnstackWindow,