Adding Google Adsense script

Greetings everyone. I am new here.
I am in need of adding Google Adsense script inside head tags. But I don’t see the index.html file for the indigo theme. How should I proceed with this?
Can anyone please help?

Hi @umairahmadh! To be perfectly honest, I resent the addition of Adsense to a learning platform, so I can’t help you much with this :-/ All I can say is that you should use comprehensive theming to customize the base.html template.

Thank You @regis
Actually it was all about curiosity, not going to ruin the learning site with Ads.