Add localization support

Co-authored-by: Xiang <xfqz86@163.com>

MacLibrary/ApplicationDelegate.swift

@@ -9,6 +9,7 @@ open class ApplicationDelegate: NSObject, NSApplicationDelegate, UNUserNotificat
     public func applicationDidFinishLaunching(_: Notification) {
         NSLog("Here I stand")
         LibboxSetup(FilePath.sharedDirectory.relativePath, FilePath.workingDirectory.relativePath, FilePath.cacheDirectory.relativePath, false)
+        LibboxSetLocale(Locale.current.identifier)
         let notificationCenter = UNUserNotificationCenter.current()
         notificationCenter.setNotificationCategories([
             UNNotificationCategory(

MacLibrary/MainView.swift

@@ -78,7 +78,7 @@ public struct MainView: View {
                 await importURLProfile(url)
             }
         } else {
-            alert = Alert(errorMessage: "Handled unknown URL \(url.absoluteString)")
+            alert = Alert(errorMessage: String(localized: "Handled unknown URL \(url.absoluteString)"))
         }
     }
 
@@ -105,7 +105,7 @@ public struct MainView: View {
         if directoryName != "Applications" {
             alert = Alert(
                 title: Text("Wrong application location"),
-                message: Text("This app needs to be placed under ~/Applications to work."),
+                message: Text("This app needs to be placed under the Applications folder to work."),
                 dismissButton: .default(Text("Ok")) {
                     NSWorkspace.shared.selectFile(Bundle.main.bundlePath, inFileViewerRootedAtPath: "")
                     NSApp.terminate(nil)

MacLibrary/MenuView.swift

@@ -140,7 +140,7 @@ public struct MenuView: View {
                     if profileList.isEmpty {
                         Text("Empty profiles")
                     } else {
-                        MenuSection("Profile")
+                        MenuSection(String(localized: "Profile"))
                         Picker("", selection: selectedProfileIDLocal) {
                             ForEach(profileList, id: \.id) { profile in
                                 Text(profile.name)