The GITEA_UNIT_TESTS_VERBOSE variable is an undocumented variable
introduced in 2017 (see 1028ef2defd94a64f2433b07fe5d93681864cebb)
whose sole purpose has been to log SQL statements when running unit
tests.
It is renamed for clarity and a warning is displayed for backward
compatibility for people and scripts that know about it.
The documentation is updated to reflect this change.
services: provide some services for users, usually use
database (models) modules: provide some basic functions without
database, eg: code parser, etc The major difference is services use
database, while modules don’t.
Signed-off-by: singuliere <singuliere@autistici.org>