Adds Doctrine and Question entity + Repository

Author: ptamayova

.env

@@ -19,3 +19,9 @@ APP_SECRET=c28f3d37eba278748f3c0427b313e86a
 #TRUSTED_PROXIES=127.0.0.0/8,10.0.0.0/8,172.16.0.0/12,192.168.0.0/16
 #TRUSTED_HOSTS='^(localhost|example\.com)$'
 ###< 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
+#
+###< doctrine/doctrine-bundle ###