Added Tool for installing keys (#233)

#232 

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

src/Ryujinx/Assets/Locales/ar_SA.json

@@ -31,6 +31,9 @@
   "MenuBarToolsInstallFirmware": "تثبيت البرنامج الثابت",
   "MenuBarFileToolsInstallFirmwareFromFile": "تثبيت برنامج ثابت من XCI أو ZIP",
   "MenuBarFileToolsInstallFirmwareFromDirectory": "تثبيت برنامج ثابت من مجلد",
+  "MenuBarToolsInstallKeys": "Install Keys",
+  "MenuBarFileToolsInstallKeysFromFile": "Install keys from KEYS or ZIP",
+  "MenuBarFileToolsInstallKeysFromFolder": "Install keys from a directory",
   "MenuBarToolsManageFileTypes": "إدارة أنواع الملفات",
   "MenuBarToolsInstallFileTypes": "تثبيت أنواع الملفات",
   "MenuBarToolsUninstallFileTypes": "إزالة أنواع الملفات",
@@ -506,6 +509,13 @@
   "DialogFirmwareInstallerFirmwareInstallConfirmMessage": "\nهل تريد المتابعة؟",
   "DialogFirmwareInstallerFirmwareInstallWaitMessage": "تثبيت البرنامج الثابت...",
   "DialogFirmwareInstallerFirmwareInstallSuccessMessage": "تم تثبيت إصدار النظام {0} بنجاح.",
+  "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": "لن تكون هناك ملفات الشخصية أخرى لفتحها إذا تم حذف الملف الشخصي المحدد",
   "DialogUserProfileDeletionConfirmMessage": "هل تريد حذف الملف الشخصي المحدد",
   "DialogUserProfileUnsavedChangesTitle": "تحذير - التغييرات غير محفوظة",