added local bluetti lib

custom_components/bluetti_bt/bluetti_bt_lib/exceptions.py

@@ -0,0 +1,14 @@
+"""Exceptions."""
+
+# Modified copy of https://github.com/warhammerkid/bluetti_mqtt/blob/main/bluetti_mqtt/bluetooth/exc.py
+
+class ParseError(Exception):
+    pass
+
+
+class ModbusError(Exception):
+    pass
+
+
+class BadConnectionError(Exception):
+    pass