Create genderEnum, add genderTranslation property to Gender entity and new gender property to Person entity

Also migrations were created to handle the changes in the database.

src/Bundle/ChillPersonBundle/migrations/Version20240926100337.php

@@ -0,0 +1,41 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Chill\Migrations\Person;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+final class Version20240926100337 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Add foreign key gender property to person and transfer values';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE chill_person_person ADD gender_id INT DEFAULT NULL');
+        $this->addSql('ALTER TABLE chill_person_person ADD CONSTRAINT FK_BF210A14708A0E0 FOREIGN KEY (gender_id) REFERENCES chill_main_gender (id) NOT DEFERRABLE INITIALLY IMMEDIATE');
+        $this->addSql('CREATE INDEX IDX_BF210A14708A0E0 ON chill_person_person (gender_id)');
+
+        // transfer gender values to point to corresponding gender entity within new column
+        $this->addSql("
+            UPDATE chill_person_person AS p
+            SET gender_id = g.id
+            FROM chill_main_gender AS g
+            WHERE g.genderTranslation = p.gender AND p.gender IN ('man', 'woman', 'unknown')
+              OR (g.genderTranslation = 'neutral' AND p.gender = 'both')
+        ");
+
+        // delete old gender column
+        $this->addSql('ALTER TABLE chill_person_person DROP gender');
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE chill_person_person ADD gender VARCHAR(9) DEFAULT NULL');
+        $this->addSql('ALTER TABLE chill_person_person DROP gender_id');
+    }
+}