Add install target for garage-push
Add install target for garage-push

It also makes Yocto happy. Probably there are hacks to build projects without "install" target as well, but I thing it's good to heve one anyway.
advancedtelematic/aktualizr,advancedtelematic/sota_client_cpp,advancedtelematic/aktualizr,advancedtelematic/aktualizr,advancedtelematic/sota_client_cpp,advancedtelematic/aktualizr