fix bool values in auto discovery

Network.cpp

@@ -1049,9 +1049,20 @@ void Network::publishHassTopic(const String& mqttDeviceType,
         }
 
         for(const auto& entry : additionalEntries)
+        {
+            if(strcmp(entry.second, "true") == 0)
+            {
+                json[entry.first] = true;
+            }
+            else if(strcmp(entry.second, "false") == 0)
+            {
+                json[entry.first] = false;
+            }
+            else
             {
                 json[entry.first] = entry.second;
             }
+        }
 
         serializeJson(json, _buffer, _bufferSize);