change license to GPLv3

src/cli.rs

@@ -1,3 +1,8 @@
+// This file is part of the "lamp" program.
+//     Copyright (C) 2022  crapStone
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
 use clap::{App, Arg, ArgGroup};
 
 pub fn build_cli() -> App<'static> {

src/controllers.rs

@@ -1,3 +1,8 @@
+// This file is part of the "lamp" program.
+//     Copyright (C) 2022  crapStone
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
 use std::collections::HashMap;
 use std::fs::{File, OpenOptions};
 use std::io::prelude::*;

src/main.rs

@@ -1,3 +1,8 @@
+// This file is part of the "lamp" program.
+//     Copyright (C) 2022  crapStone
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
 mod cli;
 mod controllers;