First prototype

The prototype should be functional, although there might be some bugs.
It should be able to retrieve a list of thread IDs in a Google Group,
and use it to download all the whole threads as returned by the server
(in pb+json format).

Change-Id: I434321a2db96a6e983d27b69b86efd5abebe7618
3 files changed
tree: fd56626ae3bc008f0a1f3fb5e25309031f96b968
  1. .gitignore
  2. go.mod
  3. groups_takeout.go