gplay customapps (managed Google Play private apps)

One [experimental] command. Shared conventions are in gplay-cli-usage.

Create a custom app

# Rehearse first (reports the gate):
gplay customapps create ./app-release.aab \
  --title "Acme Internal" --default-language en-US --dry-run

# Live (irreversible):
gplay customapps create ./app-release.aab \
  --title "Acme Internal" --default-language en-US --confirm