Add license do idm.sql

idm.sql

+/*
+Copyright (C) 2016 Centro de Computacao Cientifica e Software Livre
+Departamento de Informatica - Universidade Federal do Parana - C3SL/UFPR
+
+This file is part of database.
+
+database is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+database is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with database.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+-- depends: matrícula
+-- SimCAQ: índice de distribuição de matrículas--
+
 CREATE TABLE indice_distribuicao_matriculas AS (
 
     WITH div_estado AS (SELECT count(serie_ano_id) AS total_estado, serie_ano_id, estado_id