Library Feature

[jeremysmithco]

Automatically detect Ruby and JS libraries used in code samples and add as metadata, then allow for browsing samples by library.

• [ ] Add Library model with name, slug, description, link
• [ ] Add join model between Library and Sample
• [ ] Add Sample processor that takes each SampleFile by type, extracts any library references, find or creates and links to Library records by some kind of pattern matching
• [ ] Add browsable Libraries section