Modularization: Extract SecureLogger into a separate module (#600)

* Extract SecureLogger into a separate module

* Add BitLogger package as a dependency for iOS & macOS targets

bitchat/Services/BLEService.swift

@@ -1,3 +1,4 @@
+import BitLogger
 import Foundation
 import CoreBluetooth
 import Combine

bitchat/Services/FavoritesPersistenceService.swift

@@ -1,3 +1,4 @@
+import BitLogger
 import Foundation
 import Combine
 

bitchat/Services/KeychainManager.swift

@@ -6,6 +6,7 @@
 // For more information, see <https://unlicense.org>
 //
 
+import BitLogger
 import Foundation
 import Security
 

bitchat/Services/LocationChannelManager.swift

@@ -1,3 +1,4 @@
+import BitLogger
 import Foundation
 import Combine
 

bitchat/Services/LocationNotesManager.swift

@@ -1,3 +1,4 @@
+import BitLogger
 import Foundation
 
 /// Persistent location notes (Nostr kind 1) scoped to a street-level geohash (precision 7).

bitchat/Services/MessageRouter.swift

@@ -1,3 +1,4 @@
+import BitLogger
 import Foundation
 
 /// Routes messages between BLE and Nostr transports

bitchat/Services/NoiseEncryptionService.swift

@@ -83,6 +83,7 @@
 /// - Background queue for CPU-intensive operations
 ///
 
+import BitLogger
 import Foundation
 import CryptoKit
 

bitchat/Services/NostrTransport.swift

@@ -1,3 +1,4 @@
+import BitLogger
 import Foundation
 import Combine
 

bitchat/Services/PrivateChatManager.swift

@@ -6,6 +6,7 @@
 // This is free and unencumbered software released into the public domain.
 //
 
+import BitLogger
 import Foundation
 import SwiftUI
 

bitchat/Services/Tor/TorManager.swift

@@ -1,3 +1,4 @@
+import BitLogger
 import Foundation
 import Network
 import Darwin

bitchat/Services/UnifiedPeerService.swift

@@ -6,6 +6,7 @@
 //  This is free and unencumbered software released into the public domain.
 //
 
+import BitLogger
 import Foundation
 import Combine
 import SwiftUI