Merge pull request #2 from per1234/correct-architectures-value

Correct architectures value in library.properties

Author: ubidefeo

library.properties

@@ -6,4 +6,4 @@ sentence=Arduino Library for network connection management (WiFi, GSM, Ethernet)
 paragraph=Originally part of ArduinoIoTCloud
 category=Communication
 url=https://github.com/arduino-libraries/Arduino_ConnectionHandler
-architectures=SAMD,ESP12,ESP32,esp8266
+architectures=samd,ESP12,esp32,esp8266