Add CGH1 Qingping Cleargrass window and door sensor (#899)

main/config_mqttDiscovery.h

@@ -75,6 +75,7 @@ extern void createDiscovery(char* sensor_type,
 #  define jsonPa       "{{ float(value_json.pa) * 0.01 }}"
 #  define jsonId       "{{ value_json.id }}"
 #  define jsonAddress  "{{ value_json.address }}"
+#  define jsonOpen     "{{ value_json.open }}"
 #else // Home assistant autodiscovery value key definition
 #  define jsonBatt     "{{ value_json.batt | is_defined }}"
 #  define jsonLux      "{{ value_json.lux | is_defined }}"
@@ -103,6 +104,7 @@ extern void createDiscovery(char* sensor_type,
 #  define jsonPa       "{{ float(value_json.pa) * 0.01 | is_defined }}"
 #  define jsonId       "{{ value_json.id | is_defined }}"
 #  define jsonAddress  "{{ value_json.address | is_defined }}"
+#  define jsonOpen     "{{ value_json.open | is_defined }}"
 #endif
 
 #endif