talksapp: add present and prod.yaml to .gitignore
talksapp: add present and prod.yaml to .gitignore

Change-Id: I047e331c4010554513c255a1261ec836150354bb
Reviewed-on: https://go-review.googlesource.com/27559
Reviewed-by: Chris Broadfoot <0c2851a4f8ab4aa5606e69c0757771dd13dbe686@golang.org>

golang/gddo,golang/gddo,segmentio/gddo,golang/gddo,segmentio/gddo,segmentio/gddo,segmentio/gddo,golang/gddo