Author-Developer Account Matching

The first version!

This version comes with code to experiment with different model bases, train, evaluate, and utilize the "Author-Developer Account Matching Model" used in rs-graph and Code Contribution and Credit in Science.

It additionally comes with much of the same but for a new and improved version of our old "SoftSearch" model originally described in: Soft-Search: Two Datasets to Study the Identification and Production of Research Software. Compared to the model used in the original paper (a basic TF-IDF with logistic regression), the new version of the model uses a fine-tuned ModernBERT model for embedding and classification and can take the both the award details and project outcomes at once.