Added Tool for installing keys (#233)

#232 

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

src/Ryujinx/Assets/Locales/ko_KR.json

@@ -31,6 +31,9 @@
   "MenuBarToolsInstallFirmware": "펌웨어 설치",
   "MenuBarFileToolsInstallFirmwareFromFile": "XCI 또는 ZIP으로 펌웨어 설치",
   "MenuBarFileToolsInstallFirmwareFromDirectory": "디렉터리에서 펌웨어 설치",
+  "MenuBarToolsInstallKeys": "Install Keys",
+  "MenuBarFileToolsInstallKeysFromFile": "Install keys from KEYS or ZIP",
+  "MenuBarFileToolsInstallKeysFromFolder": "Install keys from a directory",
   "MenuBarToolsManageFileTypes": "파일 형식 관리",
   "MenuBarToolsInstallFileTypes": "파일 형식 설치",
   "MenuBarToolsUninstallFileTypes": "파일 형식 제거",
@@ -506,6 +509,13 @@
   "DialogFirmwareInstallerFirmwareInstallConfirmMessage": "\n\n계속하시겠습니까?",
   "DialogFirmwareInstallerFirmwareInstallWaitMessage": "펌웨어 설치 중...",
   "DialogFirmwareInstallerFirmwareInstallSuccessMessage": "시스템 버전 {0}이(가) 설치되었습니다.",
+  "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": "선택한 프로필을 삭제하면 다른 프로필을 열 수 없음",
   "DialogUserProfileDeletionConfirmMessage": "선택한 프로필을 삭제하시겠습니까?",
   "DialogUserProfileUnsavedChangesTitle": "경고 - 저장되지 않은 변경 사항",