Update README, support of Xiaomi Mi Smart Humidifier (jsqs, jsq5)

Author: supar

README.rst

@@ -151,6 +151,7 @@ Supported devices
 -  Qingping Air Monitor Lite (cgllc.airm.cgdn1)
 -  Xiaomi Walkingpad A1 (ksmb.walkingpad.v3)
 -  Xiaomi Smart Pet Water Dispenser (mmgg.pet_waterer.s1, s4)
+-  Xiaomi Mi Smart Humidifer S (jsqs, jsq5)
 
 
 *Feel free to create a pull request to add support for new devices as