fix: amend broken license headers (#14)

src/line-wipe/GroupedLineWipeSpell.sol

@@ -1,3 +1,8 @@
+// SPDX-FileCopyrightText: © 2024 Dai Foundation <www.daifoundation.org>
+// SPDX-License-Identifier: AGPL-3.0-or-later
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 //

src/lite-psm-halt/SingleLitePsmHaltSpell.t.integration.sol

@@ -1,4 +1,18 @@
+// SPDX-FileCopyrightText: © 2024 Dai Foundation <www.daifoundation.org>
 // SPDX-License-Identifier: AGPL-3.0-or-later
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program 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 Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
 pragma solidity ^0.8.16;
 
 import {stdStorage, StdStorage} from "forge-std/Test.sol";

src/splitter-stop/SplitterStopSpell.t.integration.sol

@@ -1,4 +1,18 @@
+// SPDX-FileCopyrightText: © 2024 Dai Foundation <www.daifoundation.org>
 // SPDX-License-Identifier: AGPL-3.0-or-later
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program 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 Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
 pragma solidity ^0.8.16;
 
 import {stdStorage, StdStorage} from "forge-std/Test.sol";