Add sentiment analysis
Options:
- https://learn.microsoft.com/en-us/dotnet/machine-learning/tutorials/sentiment-analysis-cli
- https://docs.aws.amazon.com/cli/latest/reference/comprehend/detect-sentiment.html
- https://cloud.google.com/natural-language/docs/analyzing-sentiment
- https://cloud.google.com/natural-language/docs/sentiment-analysis-gcloud
- https://www.geeksforgeeks.org/how-to-create-sentiment-analysis-application-using-node-js/
- https://neptune.ai/blog/sentiment-analysis-python-textblob-vs-vader-vs-flair