feat(i18n): Add Korean translations and update types

- Added Korean (ko) translations for all modules (incident, login, maintenance, menu, service, settings, ssl)
- Added previously empty strings in `application/src/translations/types`
- Followed existing style and naming conventions

application/src/translations/ko/index.ts

@@ -0,0 +1,25 @@
+
+import { Translations } from '../types';
+import { commonTranslations } from './common';
+import { menuTranslations } from './menu';
+import { loginTranslations } from './login';
+import { aboutTranslations } from './about';
+import { servicesTranslations } from './services';
+import { maintenanceTranslations } from './maintenance';
+import { incidentTranslations } from './incident';
+import { sslTranslations } from './ssl';
+import { settingsTranslations } from './settings';
+
+const enTranslations: Translations = {
+  common: commonTranslations,
+  menu: menuTranslations,
+  login: loginTranslations,
+  about: aboutTranslations,
+  services: servicesTranslations,
+  maintenance: maintenanceTranslations,
+  incident: incidentTranslations,
+  ssl: sslTranslations,
+  settings: settingsTranslations
+};
+
+export default enTranslations;