update basebox to fdroid/basebox-stretch64
This will in essence allow devs to run makebuildserver without manually building a basebox. Instead makebuildserver will by default fetch a prebuilt box from https://app.vagrantup.com/fdroid.
This will in essence allow devs to run makebuildserver without manually building a basebox. Instead makebuildserver will by default fetch a prebuilt box from https://app.vagrantup.com/fdroid.