Added Tool for installing keys

![image](https://github.com/user-attachments/assets/5ae6118d-3857-4005-8392-5398c8fa91d5)

src/Ryujinx/Assets/Locales/zh_CN.json

@@ -29,6 +29,9 @@
   "MenuBarToolsInstallFirmware": "安装系统固件",
   "MenuBarFileToolsInstallFirmwareFromFile": "从 XCI 或 ZIP 文件中安装系统固件",
   "MenuBarFileToolsInstallFirmwareFromDirectory": "从文件夹中安装系统固件",
+  "MenuBarToolsInstallKeys": "Install Keys",
+  "MenuBarFileToolsInstallKeysFromFile": "Install keys from KEYS or ZIP",
+  "MenuBarFileToolsInstallKeysFromFolder": "Install keys from a directory",
   "MenuBarToolsManageFileTypes": "管理文件扩展名",
   "MenuBarToolsInstallFileTypes": "关联文件扩展名",
   "MenuBarToolsUninstallFileTypes": "取消关联扩展名",
@@ -491,6 +494,13 @@
   "DialogFirmwareInstallerFirmwareInstallConfirmMessage": "\n\n是否继续？",
   "DialogFirmwareInstallerFirmwareInstallWaitMessage": "安装系统固件中...",
   "DialogFirmwareInstallerFirmwareInstallSuccessMessage": "成功安装系统固件版本 {0} 。",
+  "DialogKeysInstallerKeysNotFoundErrorMessage": "An invalid Keys file was found in {0}",
+  "DialogKeysInstallerKeysInstallTitle": "Install Keys",
+  "DialogKeysInstallerKeysInstallMessage": "New Keys file will be installed.",
+  "DialogKeysInstallerKeysInstallSubMessage": "\n\nThis may replace some of the current installed Keys.",
+  "DialogKeysInstallerKeysInstallConfirmMessage": "\n\nDo you want to continue?",
+  "DialogKeysInstallerKeysInstallWaitMessage": "Installing Keys...",
+  "DialogKeysInstallerKeysInstallSuccessMessage": "New Keys file successfully installed.",
   "DialogUserProfileDeletionWarningMessage": "删除后将没有可用的账户",
   "DialogUserProfileDeletionConfirmMessage": "是否删除所选账户",
   "DialogUserProfileUnsavedChangesTitle": "警告 - 有未保存的更改",