Update endpoint responses and configuration for currency, gold, and crypto rates

- Updated response content for endpoints to reflect current rates as of September 15, 2025, including changes in currency and gold prices.
- Modified example values for URL parameters to improve clarity and consistency.
- Changed the theme configuration in the Scribe documentation from 'elements' to 'scalar' for better presentation.
- Refactored the HTML structure in the Scribe index view to streamline the layout and improve accessibility.

These changes collectively enhance the accuracy and usability of the API documentation and responses in the Truncgil Finance application.

config/scribe.php

@@ -47,7 +47,7 @@ return [
     'type' => 'external_laravel',
 
     // See https://scribe.knuckles.wtf/laravel/reference/config#theme for supported options
-    'theme' => 'elements',
+    'theme' => 'scalar',
 
     'static' => [
         // HTML documentation, assets and Postman collection will be generated to this folder.