Introduce importmap, enhance elimination workflows, and update assets

This commit adds initial importmap configuration to manage assets, updates the elimination preparation workflow with form enhancements and database changes, introduces new styles and JS assets, refines translations, and improves entity handling with an input bag update method.

migrations/Version20250521194035.php

@@ -0,0 +1,38 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+final class Version20250521194035 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return '';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql(<<<'SQL'
+            ALTER TABLE elimination ADD created TIMESTAMP(0) WITHOUT TIME ZONE
+        SQL);
+        $this->addSql(<<<'SQL'
+            UPDATE elimination SET created = NOW()
+            SQL
+        );
+        $this->addSql(<<<'SQL'
+            ALTER TABLE elimination ALTER created SET NOT NULL
+            SQL
+        );
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql(<<<'SQL'
+            ALTER TABLE elimination DROP created
+        SQL);
+    }
+}