[DISC] Additional device classes (#2185)

main/mqttDiscovery.cpp

@@ -51,6 +51,7 @@ const char* availableHASSClasses[] = {"battery_charging",
                                       "battery",
                                       "carbon_dioxide",
                                       "carbon_monoxide",
+                                      "connectivity",
                                       "current",
                                       "data_size",
                                       "distance",
@@ -65,6 +66,7 @@ const char* availableHASSClasses[] = {"battery_charging",
                                       "lock",
                                       "motion",
                                       "moving",
+                                      "occupancy",
                                       "pm1",
                                       "pm10",
                                       "pm25",