feat : ajout d'un onglet formation

migrations/Version20260413120000.php

@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+final class Version20260413120000 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Create formations table';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql('CREATE TABLE formations (id INT GENERATED BY DEFAULT AS IDENTITY NOT NULL, employee_id INT NOT NULL, start_date DATE NOT NULL, end_date DATE NOT NULL, comment TEXT DEFAULT NULL, justificatif_path VARCHAR(255) DEFAULT NULL, justificatif_name VARCHAR(255) DEFAULT NULL, created_at TIMESTAMP(0) WITHOUT TIME ZONE NOT NULL, PRIMARY KEY (id))');
+        $this->addSql('CREATE INDEX IDX_FORMATION_EMPLOYEE ON formations (employee_id)');
+        $this->addSql('ALTER TABLE formations ADD CONSTRAINT FK_FORMATION_EMPLOYEE FOREIGN KEY (employee_id) REFERENCES employees (id) NOT DEFERRABLE');
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE formations DROP CONSTRAINT FK_FORMATION_EMPLOYEE');
+        $this->addSql('DROP TABLE formations');
+    }
+}