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

| Numéro du ticket | Titre du ticket |
|------------------|-----------------|
|                  |                 |

## 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/Version20260428061801.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 Version20260428061801 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 bovine ADD building_id INT DEFAULT NULL');
+        $this->addSql('ALTER TABLE bovine ADD CONSTRAINT FK_2068337F4D2A7E12 FOREIGN KEY (building_id) REFERENCES building (id)');
+        $this->addSql('CREATE INDEX IDX_2068337F4D2A7E12 ON bovine (building_id)');
+    }
+
+    public function down(Schema $schema): void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE bovine DROP CONSTRAINT FK_2068337F4D2A7E12');
+        $this->addSql('DROP INDEX IDX_2068337F4D2A7E12');
+        $this->addSql('ALTER TABLE bovine DROP building_id');
+    }
+}