added licence notice in code

flightplandb.py

@@ -1,3 +1,19 @@
+# Copyright 2020 PH-KDX
+# This file is part of FlightplanDB-python.
+
+# FlightplanDB-python 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.
+#
+# FlightplanDB-python 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 FlightplanDB-python.  If not, see <https://www.gnu.org/licenses/>.
+
 import requests
 from requests.auth import HTTPBasicAuth
 from datetime import datetime

readme.md

@@ -1,3 +1,21 @@
+<!--
+Copyright 2020 PH-KDX
+This file is part of FlightplanDB-python.
+
+FlightplanDB-python 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.
+
+FlightplanDB-python 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 FlightplanDB-python.  If not, see <https://www.gnu.org/licenses/>.
+-->
+
 # FlightplanDB-python
 
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