feat: enhance RepresentationsPage with searchable city filter and form improvements

- Updated RepresentationsPage to use SearchableSelect for city filtering.
- Modified form handling to use Controller from react-hook-form for city selection.
- Improved city filter handling to support null values.
- Added city_id to Representation interface in types.
- Implemented uploadLogo endpoint in CategoryController for logo uploads.
- Added logo_url field to Category entity and updated related services.
- Created SearchableSelect component for better user experience in selecting options.
- Added migration to include logo_url in categories table.

migrations/Version20260610092558.php

@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+final class Version20260610092558 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return '';
+    }
+
+    public function up(Schema $schema): void
+    {
+        // this up() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE categories ADD logo_url VARCHAR(500) DEFAULT NULL');
+    }
+
+    public function down(Schema $schema): void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE categories DROP logo_url');
+    }
+}