Method push

frontend/src/helpers/history.ts:11–15

(command: CommandInterface)

    public redo_posible: Boolean = false;

    public push(command: CommandInterface) {
        this.undone_history = [];
        this.history.push(command)
        this.update_status()
    }

    public pop(): CommandInterface {
        if (!this.undo_posible) return null;