fix iOS build blockers and add project scaffold

mobile/ios-app/Core/Localization/LocalizationStore.swift

@@ -10,8 +10,8 @@ final class LocalizationStore: ObservableObject {
     private static let supportedLocaleCodes = ["en", "sv"]
     private static let fallbackLocaleCode = "en"
 
-    init(bundle: Bundle = .main, localeCode: String = Locale.preferredLanguages.first.map { String($0.prefix(2)) } ?? "en") {
-        self.bundle = bundle
+    init(bundle: Bundle? = nil, localeCode: String = Locale.preferredLanguages.first.map { String($0.prefix(2)) } ?? "en") {
+        self.bundle = bundle ?? Self.defaultBundle
         self.localeCode = Self.normalize(localeCode)
     }
 
@@ -64,4 +64,12 @@ final class LocalizationStore: ObservableObject {
 
         return localeCode
     }
+
+    private static var defaultBundle: Bundle {
+        #if SWIFT_PACKAGE
+        .module
+        #else
+        .main
+        #endif
+    }
 }