feat: add subjects & teacher-subjects management tab in admin panel

db/init/init.sql

@@ -94,7 +94,7 @@ CREATE TABLE IF NOT EXISTS classroom_equipments (
 INSERT INTO classroom_equipments (classroom_id, equipment_id) VALUES 
 (1, 1), (1, 4),
 -- '202 IT Lab' -> ПК (2), Проектор (1), Лаборатория (3)
-(2, 2), (2, 1), (2, 3),
+(2, 2), (2, 1), (2, 3)
 -- '303 Обычная' -> ничего
 ON CONFLICT DO NOTHING;