Implement a CLI command to change themes. (#136)

* Implement cli based theme applier.

* Remove references to old globalMousePos

* Use direct file path instead.

modules/menus/DropdownMenu.ts

@@ -1,5 +1,4 @@
 const hyprland = await Service.import("hyprland");
-import { globalMousePos } from "globals";
 import { Exclusivity } from "lib/types/widget";
 import { bash } from "lib/utils";
 import { Monitor } from "types/service/hyprland";