Add EU smart plug MSS305 

{"uuid":"22101719035008510D0148e1e9abb726","onlineStatus":1,"devName":"Smart Plug","devIconId":"device024","bindTime":1676766826,"deviceType":"mss305","subType":"eu","channels":[{}],"region":"eu","fmwareVersion":"8.3.4","hdwareVersion":"8.0.0","userDevIcon":"","iconType":1,"cluster":3,"domain":"mqtt-eu-3.meross.com","reservedDomain":"mqtt-eu-3.meross.com","firmware":"8.3.4","hbDeviceId":"22101719035008510D0148e1e9abb726","model":"MSS305"}