Add copyright note to all files

calibre-plugin/exportPluginAuthToWindowsADE.py

@@ -4,6 +4,15 @@
 # Takes an existing Adobe authorization in the plugin, 
 # writes that into the Windows registry so ADE can read and use it.
 
+'''
+Copyright (c) 2021-2023 Leseratte10
+This file is part of the ACSM Input Plugin by Leseratte10
+ACSM Input Plugin for Calibre / acsm-calibre-plugin
+
+For more information, see: 
+https://github.com/Leseratte10/acsm-calibre-plugin
+'''
+
 # In progress ...
 
 try: