v0.2.0

Improvements:

• #76 Implements grants_tagger download which downloads data from EPMC that contain mesh tags
• #74 Implements grants_tagger visualize that uses streamlit to interact with the models
• #84 Implements grants_tagger explain that produces local and global explanations using SHAP
• #78 Extends grants_tagger download to download models from Github releases
• #90 Add MeshXLinear class, config and results for MeSH
• #100 Add time to train and ec2_instance information when training