refactor

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

bootstrap.php

@@ -11,7 +11,7 @@ use Core\RateLimiter\FileRateLimiter;
 use Core\RateLimiter\InMemoryRateLimiter;
 use Psr\Log\LoggerInterface;
 use Core\LoggerFactory;
-use Services\ExternalApiService;
+use ElixForms\ElixFormsClient;
 
 $container = new Container();
 
@@ -51,9 +51,11 @@ $container->singleton(LoggerInterface::class, function($c) {
     return LoggerFactory::create($config->get('log_ident', 'api'));
 });
 
-// External API service binding
-$container->singleton(ExternalApiService::class, function($c) {
-    return new ExternalApiService();
+// ElixForms client binding
+$container->singleton(ElixFormsClient::class, function($c) {
+    $config = $c->make(Config::class);
+    $baseUrl = $config->get('elixforms_api_base_url');
+    return new ElixFormsClient($baseUrl);
 });
 
 // If you have other services, bind them here, for example: