refactor: default format

Author: reez

BDKSwiftExampleWallet/View/Activity/ActivityListView.swift

@@ -10,7 +10,7 @@ import SwiftUI
 
 struct ActivityListView: View {
     @AppStorage("balanceDisplayFormat") private var balanceFormat: BalanceDisplayFormat =
-        .bitcoinSats
+        .bip177
     @Bindable var viewModel: ActivityListViewModel
 
     var body: some View {

BDKSwiftExampleWallet/View/Activity/LocalOutputItemView.swift

@@ -10,7 +10,7 @@ import SwiftUI
 
 struct LocalOutputItemView: View {
     @AppStorage("balanceDisplayFormat") private var balanceFormat: BalanceDisplayFormat =
-        .bitcoinSats
+        .bip177
     @Environment(\.dynamicTypeSize) var dynamicTypeSize
     let isRedacted: Bool
     let output: LocalOutput

BDKSwiftExampleWallet/View/Activity/TransactionDetailView.swift

@@ -11,7 +11,7 @@ import SwiftUI
 
 struct TransactionDetailView: View {
     @AppStorage("balanceDisplayFormat") private var balanceFormat: BalanceDisplayFormat =
-        .bitcoinSats
+        .bip177
     @Bindable var viewModel: TransactionDetailViewModel
     @State private var isCopied = false
     @State private var showCheckmark = false

BDKSwiftExampleWallet/View/WalletView.swift

@@ -10,7 +10,7 @@ import SwiftUI
 
 struct WalletView: View {
     @AppStorage("balanceDisplayFormat") private var balanceFormat: BalanceDisplayFormat =
-        .bitcoinSats
+        .bip177
     @AppStorage("KyotoLastBlockHeight") private var kyotoLastHeight: Int = 0
     @Bindable var viewModel: WalletViewModel
     @Binding var sendNavigationPath: NavigationPath

Docs/wallet.png

@@ -4,7 +4,7 @@
 
 A native iOS app example using [Bitcoin Dev Kit](https://github.com/bitcoindevkit) via [language bindings](https://github.com/bitcoindevkit/bdk-ffi).
 
-<img src="Docs/walletview.png" alt="Screenshot" width="210.5" height="420">
+<img src="Docs/wallet.png" alt="Screenshot" width="210.5" height="420">
 
 Download the app on [TestFlight](https://testflight.apple.com/join/A3nAuYvZ).