Add License

#1

src/config.py

@@ -1,3 +1,6 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+# SPDX-FileCopyrightText: 2026 bitdori
+
 import tomllib
 from pathlib import Path
 

src/ip.py

@@ -1,3 +1,6 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+# SPDX-FileCopyrightText: 2026 bitdori
+
 import subprocess
 
 SERVERS = [

src/main.py

@@ -1,3 +1,6 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+# SPDX-FileCopyrightText: 2026 bitdori
+
 from config import load_config
 from ip import get_public_ip
 from state import load_state, save_success, save_failure

src/nsupdate.py

@@ -1,3 +1,6 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+# SPDX-FileCopyrightText: 2026 bitdori
+
 import subprocess
 
 

src/state.py

@@ -1,4 +1,5 @@
-# src/state.py
+# SPDX-License-Identifier: LGPL-2.1-or-later
+# SPDX-FileCopyrightText: 2026 bitdori
 
 from pathlib import Path
 from datetime import datetime