To ADD the extension to your browser:

download the repo as zip file and extract
in chrome, go to about://extensions and click 'load unpacked'
select the extracted folder 'Groceries'
done. use it responsibly and if you like send me a compliment.
CHEERS!!

future improvements:

create a list of tickboxes to select specific stores and include them in the search.

Support:

Author : Haleem Yousef
E-mail : haleemyousef01@gmail.com
GitHub : https://github.com/haleemyousef