Do you want to host your terminal,and can be accessible from web browser
GIT
Heroku cli
A heroku account
A blank heroku app
Login with heroku
heroku login -i
fill your heroku credentials
Now if you don't have blank application available ,create one by
heroku create {appname}
git clone https://github.com/kcubeterm/kali-web
cd kali-web
now open heroku.yml and replace username
and password
with any credentials
And execute install.sh
bash install.sh
It ask for your heroku application name, fill it and hit enter, after some time, if you don't get any error.
You can view your kali terminal in https://appname.herokuapp.com