Enable [commnity] for rebuilderd

roles/rebuilderd/templates/rebuilderd-sync.conf.j2

@@ -17,3 +17,10 @@ suite = "testing"
 architecture = "x86_64"
 source = "https://mirror.pkgbuild.com/$repo/os/$arch"
 excludes = [""]
+
+[profile."archlinux-community"]
+distro = "archlinux"
+suite = "community"
+architecture = "x86_64"
+source = "https://mirror.pkgbuild.com/$repo/os/$arch"
+excludes = ["cuda*", "tensorflow*"]