Add btcwallet and dcrwallet to projects using bolt.

Author: jcvernaleo

README.md

@@ -904,5 +904,7 @@ Below is a list of public, open source projects that use Bolt:
 * [torrent](https://github.com/anacrolix/torrent) - Full-featured BitTorrent client package and utilities in Go. BoltDB is a storage backend in development.
 * [gopherpit](https://github.com/gopherpit/gopherpit) - A web service to manage Go remote import paths with custom domains
 * [bolter](https://github.com/hasit/bolter) - Command-line app for viewing BoltDB file in your terminal.
+* [btcwallet](https://github.com/btcsuite/btcwallet) - A bitcoin wallet in Go.
+* [dcrwallet](https://github.com/decred/dcrwallet) - A wallet for the Decred cryptocurrency in Go.
 
 If you are using Bolt in a project please send a pull request to add it to the list.