// This creates an instance of a vector DB. You can create multiple vector DBs as required. 
  db:= NewVectorDB()

  // Creates a collection. A collection is a set of one or more documents. 
  err := db.CreateCollection(collectionName)

  // Add a Document to the Collection. You can add one or more Documents to a Collection. 
  err = db.AddDocument(collectionName, documentID, document)

  // Add a Document to the Collection with Metadata. You can add one or more Documents to a Collection. 
  err = db.AddDocument(collectionName, documentID, document, metadata[])

  // You can query a Collection to find the "closest matching" document to the input "phrase"
  nearestID, err := db.Query(collectionName, phrase)

  // You can query a Collection to find the "closest matching" document to the input "phrase". Only look for documents that match the provided "Metadata"
  nearestID, err := db.Query(collectionName, phrase, metadata)