Added Tool for installing keys (#233)

#232 

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

src/Ryujinx/Assets/Locales/zh_TW.json

@@ -31,6 +31,9 @@
   "MenuBarToolsInstallFirmware": "安裝韌體",
   "MenuBarFileToolsInstallFirmwareFromFile": "從 XCI 或 ZIP 安裝韌體",
   "MenuBarFileToolsInstallFirmwareFromDirectory": "從資料夾安裝韌體",
+  "MenuBarToolsInstallKeys": "Install Keys",
+  "MenuBarFileToolsInstallKeysFromFile": "Install keys from KEYS or ZIP",
+  "MenuBarFileToolsInstallKeysFromFolder": "Install keys from a directory",
   "MenuBarToolsManageFileTypes": "管理檔案類型",
   "MenuBarToolsInstallFileTypes": "安裝檔案類型",
   "MenuBarToolsUninstallFileTypes": "移除檔案類型",
@@ -506,6 +509,13 @@
   "DialogFirmwareInstallerFirmwareInstallConfirmMessage": "\n\n您確定要繼續嗎?",
   "DialogFirmwareInstallerFirmwareInstallWaitMessage": "正在安裝韌體...",
   "DialogFirmwareInstallerFirmwareInstallSuccessMessage": "成功安裝系統版本 {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": "如果刪除選取的設定檔，將無法開啟其他設定檔",
   "DialogUserProfileDeletionConfirmMessage": "您是否要刪除所選設定檔",
   "DialogUserProfileUnsavedChangesTitle": "警告 - 未儲存的變更",