Nostr geohash (#276)

* first nostr build

* add test file

* internet access

* fix relay manager

* fix serialization

* demo service - remove later

* fix nostr

* event dedupe

* dedupe

* ui wip

* can send messages

* subscription works

* works

* favs

* works

* delete chat on change

* fix mentions

* remove autojoin channels

* styling

* adjust colors

* ui changes

* live updates working

* use local timestamp

* message history in background

* robust

* fixes

* nicknames refresh optimization

* nostr service

* refactor nostr

* style

* geohash works

* centralize colors

* refactoring

* disable DMs for now: click on peer nickname doesnt open chat list in geohash mode

* use local time

* less logging

* robustness

* scroll nickname

* adjust some text

app/src/main/java/com/bitchat/android/model/NoiseEncrypted.kt

@@ -191,3 +191,12 @@ data class PrivateMessagePacket(
         return "PrivateMessagePacket(messageID='$messageID', content='${content.take(50)}${if (content.length > 50) "..." else ""}')"
     }
 }
+
+/**
+ * Read receipt data class for transport compatibility
+ */
+@Parcelize
+data class ReadReceipt(
+    val originalMessageID: String,
+    val readerPeerID: String? = null
+) : Parcelable