chore: add generated files bot to repo (#928)
chore: add generated files bot to repo (#928)

* chore: add generated files bot to repo
* chore: add template source location to bot config

Co-authored-by: Benjamin E. Coe <69440dae14aaa9fe2429b324bfce03449d09e1db@google.com>
googleapis/nodejs-logging,googleapis/nodejs-logging,googleapis/nodejs-logging