[FEATURE] Automated Model Table Updating

[darrylong]

Description

In the Models Available section in readthedocs, this table is pulled from the html and js file in https://github.com/PreferredAI/cornac/tree/master/docs/source/_static/models.

This requires manual building from running this file: https://github.com/PreferredAI/cornac/blob/master/docs/generate_model_js.py

And then, pushing it into the js file into the repository directory in /docs/source/_static/models.

Expected behavior with the suggested feature

Proposed solution: To use Github Actions to detect changes on release/PR merge, to run script and push automatically should there be a change.

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