feat: expose layout controls over IPC

compositor/src/ipc.rs

@@ -172,6 +172,11 @@ impl Ferese {
             "move-to-workspace" => self.move_focused_to_workspace(workspace_arg(args)?),
             "toggle-floating" => self.toggle_focused_floating(),
             "toggle-fullscreen" => self.toggle_focused_fullscreen(),
+            "toggle-layout" => self.toggle_layout_mode(),
+            "cycle-column-width" => self.cycle_focused_column_width(),
+            "center-column" => self.center_focused_column(),
+            "consume" => self.consume_focused_window(),
+            "expel" => self.expel_focused_window(),
             "close" => self.close_focused_window(),
             "get-focused-window" => return Ok(self.focused_window_json()),
             "get-workspaces" => return Ok(self.workspaces_json()),