Update main.rs

src/main.rs

@@ -1,18 +1,18 @@
-//
+//     PgCat, a PostgreSQL pooler with load balancing, failover, and sharding support.
-// Copyright 2022 Lev Kokotov <lev@levthe.dev>
+//     Copyright (C) 2022  Lev Kokotov <lev@levthe.dev>
-//
+
-// Licensed under the Apache License, Version 2.0 (the "License");
+//     This program is free software: you can redistribute it and/or modify
-// you may not use this file except in compliance with the License.
+//     it under the terms of the GNU General Public License as published by
-// You may obtain a copy of the License at
+//     the Free Software Foundation, either version 3 of the License, or
-//
+//     (at your option) any later version.
-//    http://www.apache.org/licenses/LICENSE-2.0
+
-//
+//     This program is distributed in the hope that it will be useful,
-// Unless required by applicable law or agreed to in writing, software
+//     but WITHOUT ANY WARRANTY; without even the implied warranty of
-// distributed under the License is distributed on an "AS IS" BASIS,
+//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//     GNU General Public License for more details.
-// See the License for the specific language governing permissions and
+
-// limitations under the License.
+//     You should have received a copy of the GNU General Public License
-//
+//     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 extern crate async_trait;
 extern crate bb8;
 extern crate bytes;