Add encryption chapter

book/SUMMARY.md

@@ -5,42 +5,42 @@
 ## Basics
 
 - [Keys](02-keys.md)
-- [Signing](03-signing.md)
-- [Encryption](04-encryption.md)
-- [Encryptables](05-encryptables.md)
-- [Events](06-events.md)
-- [Tags](07-tags.md)
-- [Kinds](08-kinds.md)
-- [Kind Ranges](09-kind-ranges.md)
-- [Addresses](10-addresses.md)
-- [Proof of Work](11-proof-of-work.md)
-- [Filters](12-filters.md)
+- [Encryption](03-encryption.md)
+- [Events](04-events.md)
+- [Signing](05-signing.md)
+- [Tags](06-tags.md)
+- [Kinds](07-kinds.md)
+- [Kind Ranges](08-kind-ranges.md)
+- [Addresses](09-addresses.md)
+- [Proof of Work](10-proof-of-work.md)
+- [Filters](11-filters.md)
 
 ## Domain
 
-- [Relay Selections](13-relay-selections.md)
-- [Relay Metadata](14-relay-metadata.md)
-- [Relay Membership](15-relay-membership.md)
-- [Profiles](16-profiles.md)
-- [Follows](17-follows.md)
-- [Microblogging](18-microblogging.md)
-- [Reactions](19-reactions.md)
-- [Reports](20-reports.md)
-- [Emojis](21-emojis.md)
-- [Zaps](22-zaps.md)
-- [Rooms](23-rooms.md)
+- [Relay Selections](12-relay-selections.md)
+- [Relay Metadata](13-relay-metadata.md)
+- [Relay Membership](14-relay-membership.md)
+- [Profiles](15-profiles.md)
+- [Follows](16-follows.md)
+- [Microblogging](17-microblogging.md)
+- [Reactions](18-reactions.md)
+- [Reports](19-reports.md)
+- [Emojis](20-emojis.md)
+- [Zaps](21-zaps.md)
+- [Rooms](22-rooms.md)
 
 ## Networking
 
-- [Relay Connections](24-relay-connections.md)
-- [Relay Authentication](25-relay-authentication.md)
-- [Relay Policies](26-relay-policies.md)
-- [Server Authentication](27-server-authentication.md)
-- [Relay Management API](28-relay-management-api.md)
-- [Blossom Media Storage](29-blossom-media-storage.md)
+- [Relay Connections](23-relay-connections.md)
+- [Relay Authentication](24-relay-authentication.md)
+- [Relay Policies](25-relay-policies.md)
+- [Server Authentication](26-server-authentication.md)
+- [Relay Management API](27-relay-management-api.md)
+- [Blossom Media Storage](28-blossom-media-storage.md)
 
 ## Signers
 
+- [Signer Interface](29-signer-interface.md)
 - [Secret Signers](30-secret-signers.md)
 - [Remote Signers](31-remote-signers.md)
 - [Android Signers](32-android-signers.md)