add /last sub-endpoint to only return destination in walks
works for both random and non-random walks
Closes #2084 (closed)
Test Plan
tox
Migrated from D2289 (view on Phabricator)
Staging instance, all changes can be removed at any time
works for both random and non-random walks
Closes #2084 (closed)
tox
Migrated from D2289 (view on Phabricator)