Change order of bootstrapping

1. Enable database access
2. Load settings
3. Load extensions
4. Load Flarum core/etc

This way, when the app boots, extensions get to register event
listeners for events that may be fired during core/etc's boot process.

api.php

@@ -10,9 +10,7 @@ use Zend\Stratigility\MiddlewarePipe;
 $app = require __DIR__.'/system/bootstrap.php';
 
 // Set up everything we need for the API
-$app->instance('type', 'api');
 $app->register('Flarum\Api\ApiServiceProvider');
-$app->register('Flarum\Support\Extensions\ExtensionsServiceProvider');
 
 // Build a middleware pipeline for the API
 $api = new MiddlewarePipe();

index.php

@@ -10,9 +10,7 @@ use Zend\Stratigility\MiddlewarePipe;
 $app = require __DIR__.'/system/bootstrap.php';
 
 // Set up everything we need for the frontend
-$app->instance('type', 'forum');
 $app->register('Flarum\Forum\ForumServiceProvider');
-$app->register('Flarum\Support\Extensions\ExtensionsServiceProvider');
 
 // Build a middleware pipeline for Flarum
 $flarum = new MiddlewarePipe();

system/bootstrap.php

@@ -138,8 +138,11 @@ $serviceProviders = [
 ];
 
 if (Core::isInstalled()) {
-	$serviceProviders[] = 'Flarum\Core\CoreServiceProvider';
     $serviceProviders[] = 'Flarum\Core\DatabaseServiceProvider';
+	$serviceProviders[] = 'Flarum\Core\Settings\SettingsServiceProvider';
+    $serviceProviders[] = 'Flarum\Support\ExtensionsServiceProvider';
+    $serviceProviders[] = 'Flarum\Core\CoreServiceProvider';
+	$serviceProviders[] = 'Flarum\Locale\LocaleServiceProvider';
     $serviceProviders[] = 'Flarum\Console\ConsoleServiceProvider';
 }