Add boilerplate info

Author: penyuan

oshminer/__init__.py

@@ -0,0 +1,4 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+# SPDX-FileCopyrightText: 2021 Pen-Yuan Hsing
+# SPDX-License-Identifier: AGPL-3.0-or-later