gradle: add autoupdate support
gradle: add autoupdate support

I can't find any checksums _anywhere_ for their binaries, but hopefully it won't generally matter

r15ch13/scoop,rasa/scoop,toxeus/scoop,nikolasd/scoop,kodybrown/scoop,nueko/scoop,berwyn/scoop,rodericktech/scoop,bpollack/scoop,lukesampson/scoop,Cyianor/scoop,reelsense/scoop,coonce/scoop,Congee/scoop,vidarkongsli/scoop,vinaynambiar/lukesampson-,yunspace/scoop