Add screenshot generator

SFM/Application.swift

@@ -1,3 +1,4 @@
+import Library
 import MacLibrary
 import SwiftUI
 
@@ -5,6 +6,10 @@ import SwiftUI
 struct Application: App {
     @NSApplicationDelegateAdaptor private var appDelegate: ApplicationDelegate
 
+    init() {
+        ScreenshotLocalization.applyIfNeeded()
+    }
+
     var body: some Scene {
         MacApplication()
     }

SFM/Info.plist

@@ -105,7 +105,7 @@
 	<key>CFBundleLocalizations</key>
 	<array>
 		<string>en</string>
-		<string>zh_CN</string>
+		<string>zh-Hans</string>
 	</array>
 	<key>CFBundleDevelopmentRegion</key>
 	<string>en</string>