you have to add the following files:
data.csv from kaggle 190k+ articles in engine_data
the first run the lexicon file in src
then forward_index.py file
then inv_index.py file 
then barrels.py file
then clean_data.py file
then run the backend server by running app.py in backend folder
to run frontend we have to first run npm install 
then npm run dev to run frontend(terminal should have the frontend directory)