Rename users documentation to user
All other instances are singular except this one. This unifies the sphinx instance name to singular.
Related to #3650 (closed)
Test Plan
make -C user clean html is fine
Migrated from D6467 (view on Phabricator)
staging instance, all data can be removed at all time
All other instances are singular except this one. This unifies the sphinx instance name to singular.
Related to #3650 (closed)
make -C user clean html is fine
Migrated from D6467 (view on Phabricator)