refactor

- move elixForms API logic to specific folder
- move everything else under Api folder

config/config.php.template

@@ -1,6 +1,6 @@
 <?php
 return [
-    'external_api_base_url' => 'https://api.example.com',
+    'elixforms_api_base_url' => 'https://api.example.com',
     'rate_limiter_driver' => 'file', // o 'memory'
     // configuration for file-based rate limiter
     'rate_limit_storage_dir' => sys_get_temp_dir() . '/api_rate_limit',

config/secrets.php.template

@@ -1,6 +1,8 @@
 <?php
 return [
-    'external_api_username' => 'myUser',
-    'external_api_password' => 'myPass',
-    'external_api_token'    => 'mySecretToken',
+    // elixforms API credentials
+    'elixforms_api_username' => 'myUser',
+    'elixforms_api_password' => 'myPass',
+    'elixforms_api_token'    => 'mySecretToken',
+    'api_access_token'      => 'myApiAccessToken',
 ];