Whenever an HackerNews message contains a mention, publish it to slack with sentiment analysed
We watch all new items on HackerNews and filter those that match one of the parametrized mention.
For each of them, we attach sentiment analysis through NLTK and then publish it to slack.
(object, format: resource-slack)
Watch for new message with mentions on HackerNews
For loop over all the elements of the list returned as a result of step 1: