Help with xiaomi windor/door sensor

Hello, I’m very new to HA and need a lot of help.
I am trying connect the xiaomi window door/sensor without gateway using the mosquitHA, Mosquito and Zigbee2Mqtt bridge seem to be working? but I cant see, to connect the xiaomi sensor. I dont have cli access to the HA only through the web UI. Tried ti cinect +via ssh or putty but no sucess. Help please, to get me back on track…

The instructions may be helpful