Create a dummy topic model type #105
Description
A query from a user about create a test for BERTopic. What this user has is top topic words (or terms for all .extract_ingredients.* methods).
It should be possible to create an input_model_s3 object with just topic topic words. Let's call this input_model_s3_dummy.
K is the number of columns; all_terms is all unique terms in terms; V is the length of all_terms