refactor: Consolidate translation management into manage_translations.py and update Swift strings to use .localized.

Author: wzh4869

AppPorts/AboutView.swift

@@ -21,6 +21,7 @@ private let contributors: [Contributor] = [
     Contributor(name: "wzh4869", github: "wzh4869"),
     Contributor(name: "sulimu2", github: "sulimu2"),
     Contributor(name: "2han9wen71an", github: "2han9wen71an"),
+    Contributor(name: "shimoko", github: "shimoko"),
 ]
 
 // MARK: - 关于界面