feat: ajout du prix au kilo et de l'age moyen bovin + feed bovin via xlsx (!50)

| Numéro du ticket | Titre du ticket |
|------------------|-----------------|
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## Description de la PR

## Modification du .env

## Check list

- [ ] Pas de régression
- [x] TU/TI/TF rédigée
- [ ] TU/TI/TF OK
- [ ] CHANGELOG modifié

Reviewed-on: #50
Co-authored-by: tristan <tristan@yuno.malio.fr>
Co-committed-by: tristan <tristan@yuno.malio.fr>

migrations/Version20260427154952.php

@@ -0,0 +1,35 @@
+<?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 Version20260427154952 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Ajout de la colonne display_order sur building et seed des valeurs par code.';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE building ADD display_order INT DEFAULT NULL');
+
+        $this->addSql("UPDATE building SET display_order = 1 WHERE code = 'B3'");
+        $this->addSql("UPDATE building SET display_order = 2 WHERE code = 'B2'");
+        $this->addSql("UPDATE building SET display_order = 3 WHERE code = 'B1'");
+        $this->addSql("UPDATE building SET display_order = 4 WHERE code = 'ZT'");
+    }
+
+    public function down(Schema $schema): void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE building DROP display_order');
+    }
+}