Add the Book interface to search book by a bid.

lib/decentralised_book_index/metadata.ex

@@ -66,6 +66,7 @@ defmodule DecentralisedBookIndex.Metadata do
       define :get_book_alternative_editions, args: [:book], action: :get_alternative_editions
       define :get_author_books, args: [:author], action: :get_author_books
       define :search_book, action: :search, args: [:query]
+      define :search_book_by_bid, action: :search_by_bid, args: [:type, :bid]
       define :update_book, action: :update
       define :assign_book_cover_image, args: [:cover_image_url], action: :assign_cover_image
       define :destroy_book, action: :destroy