Added new Module vor Solax GEN5 Inverters with up to 3 PV Strings and up to 2 Batteries

Error: packages/modules/devices/solax/solax_gen5/inverter.py:3:1: F401 'pymodbus.constants.Endian' imported but unused

Error: packages/modules/devices/solax/solax_gen5/bat.py:36:15: E111 indentation is not a multiple of 4
Error: packages/modules/devices/solax/solax_gen5/bat.py:38:15: E111 indentation is not a multiple of 4
Error: packages/modules/devices/solax/solax_gen5/bat.py:41:15: E111 indentation is not a multiple of 4
Error: packages/modules/devices/solax/solax_gen5/bat.py:42:15: E111 indentation is not a multiple of 4
Error: packages/modules/devices/solax/solax_gen5/bat.py:44:15: E111 indentation is not a multiple of 4
Error: packages/modules/devices/solax/solax_gen5/bat.py:54:1: E305 expected 2 blank lines after class or function definition, found 1

Error: packages/modules/devices/solax/solax_gen5/counter.py:31:121: E501 line too long (138 > 120 characters)
Error: packages/modules/devices/solax/solax_gen5/counter.py:46:29: E122 continuation line missing indentation or outdented
Error: packages/modules/devices/solax/solax_gen5/counter.py:50:22: E124 closing bracket does not match visual indentation
Warning: packages/modules/devices/solax/solax_gen5/counter.py:51:1: W293 blank line contains whitespace

 Error: packages/modules/devices/solax/solax_gen5/device.py:10:121: E501 line too long (127 > 120 characters)