feat: add .env with fake data

.env

@@ -0,0 +1,16 @@
+###> symfony/framework-bundle ###
+APP_ENV=dev
+APP_SECRET=fake_app_secret
+###< symfony/framework-bundle ###
+
+###> doctrine/doctrine-bundle ###
+# Format described at https://www.doctrine-project.org/projects/doctrine-dbal/en/latest/reference/configuration.html#connecting-using-a-url
+# IMPORTANT: You MUST configure your server version, either here or in config/packages/doctrine.yaml
+#
+# DATABASE_URL="sqlite:///%kernel.project_dir%/var/data.db"
+DATABASE_URL="mysql://username:password@localhost:3306/db_name?serverVersion=8&charset=utf8"
+###< doctrine/doctrine-bundle ###
+
+###> nelmio/cors-bundle ###
+CORS_ALLOW_ORIGIN='^https?://(localhost|127\.0\.0\.1)(:[0-9]+)?$'
+###< nelmio/cors-bundle ###