Function getLocalizationDescriptor

getLocalizationDescriptor(): Promise<Localization>
Retrieves the system-wide localization configuration descriptor.

Fetches the complete localization configuration from the KOS system, including namespace definitions, locale mappings, and file path information. Used for initializing translation containers with proper configuration.

Returns Promise<Localization>
Promise resolving to complete localization descriptor
Throws
When service request fails or returns non-200 status

Example: Initialize Translation System
```
const localizationConfig = await getLocalizationDescriptor();
const translationContainer = TranslationContainer.instance('app-i18n')
  .options({
    lang: 'en',
    descriptor: localizationConfig
  })
  .build();
```