feat(wm): add focus-workspaces cmd

This commit adds a new command, focus-workspaces, to allow the user to
change workspaces across all monitors at the same time. I'm not
convinced of the stability of this command and I would strongly
discourage using komorebi in this manner.

resolve #426

.czrc

@@ -0,0 +1,3 @@
+{:
+  "path": "cz-conventional-changelog"
+}