Release v5.0.0

• feat: add OpenAPI support
• feat: add API Platform 2.7/3 attributes generation
• feat: custom attributes and custom attribute arguments
• feat: add Doctrine ORM inheritance support (discriminator)
• feat: manage association overrides for Doctrine ORM
• feat: add defaultCardinality configuration for relations
• feat: add defaultValue in property configuration
• feat: add resolveTypes and allTypes parameters
• refactor: better handling of data type (including lang string)
• fix: self-referencing relations (Doctrine ORM)
• fix: update reserved keywords
• fix: remove simple in ODM attributes