Added some devices

[lqb]

Added devices:

• HmIP-BDT
• HmIP-DBB
• HMIP-eTRV
• HmIP-eTRV-B1
• HmIP-SRH
• HMIP-WRC2
• HmIP-WRC6
• HMIP-WTH

Added docker-compose file with an .env.example Improved debug messages

My ccu3 has the following unsopported things

# docker-compose logs homematic-exporter | grep "unsupported" | cut -d" " -f7- | sort | uniq
DEBUG - Ignoring unsupported paramType ACTION, desc: {'MIN': False, 'OPERATIONS': 4, 'MAX': True, 'FLAGS': 1, 'ID': 'PRESS_LONG', 'TYPE': 'ACTION', 'DEFAULT': False, 'CONTROL': 'BUTTON_NO_FUNCTION.LONG'}, key: None
DEBUG - Ignoring unsupported paramType ACTION, desc: {'MIN': False, 'OPERATIONS': 4, 'MAX': True, 'FLAGS': 1, 'ID': 'PRESS_SHORT', 'TYPE': 'ACTION', 'DEFAULT': False, 'CONTROL': 'BUTTON_NO_FUNCTION.SHORT'}, key: None
DEBUG - Ignoring unsupported paramType STRING, desc: {'MIN': '2000_01_01 00:00', 'OPERATIONS': 7, 'MAX': '2255_12_31 23:55', 'FLAGS': 1, 'ID': 'PARTY_TIME_END', 'TYPE': 'STRING', 'DEFAULT': '2000_01_01 00:00', 'CONTROL': 'HEATING_CONTROL_HMIP.PARTY_TIME_END'}, key: None
DEBUG - Ignoring unsupported paramType STRING, desc: {'MIN': '2000_01_01 00:00', 'OPERATIONS': 7, 'MAX': '2255_12_31 23:55', 'FLAGS': 1, 'ID': 'PARTY_TIME_START', 'TYPE': 'STRING', 'DEFAULT': '2000_01_01 00:00', 'CONTROL': 'HEATING_CONTROL_HMIP.PARTY_TIME_START'}, key: None
DEBUG - Ignoring unsupported paramType STRING, desc: {'MIN': '', 'OPERATIONS': 2, 'MAX': '', 'FLAGS': 1, 'ID': 'COMBINED_PARAMETER', 'TYPE': 'STRING', 'DEFAULT': ''}, key: None
INFO - Found unsupported top-level device XXXXXXXXXXXXXX of type HmIP-RCV-50