Add script to update package manager defs and packages

installs_and_builds/s02_utils

@@ -0,0 +1,7 @@
+#!/bin/zsh
+
+# likely on unix systems already: find xargs grep sed awk
+${=BOX_SETUP_INSTALL_COMMAND} culr jq parallel
+
+[[ "$BOX_SETUP_OS" = "macos" ]] &&
+    ${=BOX_SETUP_INSTALL_COMMAND} coreutils