Given an author & collection name as input:

{
  author: "crutchcorn",
  collection: "angular-internals",
  ref: "..."
}

• Fetch https://github.com/playfulprogramming/playfulprogramming/blob/main/content/crutchcorn/collections/angular-internals/index.md and any adjacent files in other locales (e.g. "index.es.md")
• Compare with the collection table in the database:
  • If the file exists:
    • Check if coverImg or socialImg have changed since their last edit
      • If so, upload them to S3
    • Parse the frontmatter and insert it into the Collection table
  • If the file no longer exists:
    • Remove the collection from the database