fix(sql): fix typo in comment in initdb.sql

Author: thenav56

postgres/initdb.sql

@@ -30,7 +30,7 @@ CREATE TABLE IF NOT EXISTS groups (
     required_count int,
     progress int,
     project_type_specifics json,
-    --  total_area & time_spent_max_allowed are maintaned and used by aggregated module
+    --  total_area & time_spent_max_allowed are maintained and used by aggregated module
     total_area float DEFAULT NULL,
     time_spent_max_allowed float DEFAULT NULL,
     PRIMARY KEY (project_id, group_id),