refactor: add Pubkey, Privkey, NoteId string aliases

This is a non-behavioral change in preparation for the actual switchover
from Strings to Ids. The purpose of this kit is to reduce the size of
the switchover commit which is going to be very large.

damus/Util/Router.swift

@@ -8,13 +8,13 @@
 import SwiftUI
 
 enum Route: Hashable {
-    case ProfileByKey(pubkey: String)
+    case ProfileByKey(pubkey: Pubkey)
     case Profile(profile: ProfileModel, followers: FollowersModel)
     case Followers(followers: FollowersModel)
     case Relay(relay: String, showActionButtons: Binding<Bool>)
     case RelayDetail(relay: String, metadata: RelayMetadata?)
     case Following(following: FollowingModel)
-    case MuteList(users: [String])
+    case MuteList(users: [Pubkey])
     case RelayConfig
     case Script(script: ScriptModel)
     case Bookmarks
@@ -41,7 +41,7 @@ enum Route: Hashable {
     case SaveKeys(account: CreateAccountModel)
     case Wallet(wallet: WalletModel)
     case WalletScanner(result: Binding<WalletScanResult>)
-    case FollowersYouKnow(friendedFollowers: [String], followers: FollowersModel)
+    case FollowersYouKnow(friendedFollowers: [Pubkey], followers: FollowersModel)
 
     @ViewBuilder
     func view(navigationCoordinator: NavigationCoordinator, damusState: DamusState) -> some View {