added license boilerplate to safedb

src/safedb/__init__.py

@@ -1,11 +1,25 @@
+"""Onionr - Private P2P Communication.
+
+Create required Onionr directories
+"""
 from typing import Union
-from enum import Enum, auto
 import dbm
 
-from filenuke import nuke
-
 from .securestring import generate_key_file, protect_string, unprotect_string
+"""
+This program 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.
 
+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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+"""
 
 
 class SafeDB: