feat: fetch 50 newest youtube comments per video sorted by time

feat: implement new models and improve UI, #23

fix: debug model selection, #22

feat: update UI using VITE+React without streamlit, #22

backup stable api and model service before pipeline testing

feat: add ensemble and optuna. #5 #6 #9

fix: Try new values for c=0.1 and c=0.4. #5

fix: new c=0.1 for training baseline and add custom_stopwords. #5

feat: add preprocessing. #3

feat: add pipeline.yaml. #3

feat: add features.yaml. #3

feat: add structure. #1