add support for M20 versions and update docs

pyasic/miners/whatsminer/btminer/M2X/M20.py

@@ -0,0 +1,31 @@
+#  Copyright 2022 Upstream Data Inc
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+from pyasic.miners._backends import BTMiner  # noqa - Ignore access to _module
+from pyasic.miners._types import (  # noqa - Ignore access to _module
+    M20,
+    M20V10,
+)
+
+
+class BTMinerM20(BTMiner, M20):
+    def __init__(self, ip: str) -> None:
+        super().__init__(ip)
+        self.ip = ip
+
+
+class BTMinerM20V10(BTMiner, M20V10):
+    def __init__(self, ip: str) -> None:
+        super().__init__(ip)
+        self.ip = ip

pyasic/miners/whatsminer/btminer/M2X/__init__.py

@@ -12,6 +12,7 @@
 #  See the License for the specific language governing permissions and
 #  limitations under the License.
 
+from .M20 import BTMinerM20, BTMinerM20V10
 from .M20S import BTMinerM20S, BTMinerM20SV10, BTMinerM20SV20
 from .M20S_Plus import BTMinerM20SPlus