To set up bot for Google hangouts you will need a gmail account first. If you don't have a gmail account then create one as we will need it to set up bot.
Clone this repository and then we will deploy repository to heroku.
To deploy your bot to heroku you need an account on Heroku and after making an account make an app.
Deploy app using github deployment method.
Select Automatic deployment method.
Go to settings of your app and select config variables and paste your password for bot to this and name it as password.