message: Link to db package
diff: @@ -22,6 +22,7 @@ It is split up into a number of internal packages, namely utilities -
  Various useful trie interfaces and utilities -
  +- [db](packages/db/) Sync memory and disk database interfaces
  - [trie-db](packages/trie-db/) Merkle Patricia Tree implementation adapcted for Polkadot
  - [trie-hash](packages/trie-hash/) Calculate hashes (either ordered or unordered) from a set of inputs
  