JSON and Array types for sqlmodel

First Check

• I added a very descriptive title to this issue.
• I used the GitHub search to find a similar issue and didn’t find it.
• I searched the SQLModel documentation, with the integrated search.
• I already searched in Google “How to X in SQLModel” and didn’t find any information.
• I already read and followed all the tutorial in the docs and didn’t find an answer.
• I already checked if it is not related to SQLModel but to Pydantic.
• I already checked if it is not related to SQLModel but to SQLAlchemy.

Commit to Help

• I commit to help with one of those options 👆

Example Code

from typing import Optional

from sqlmodel import Field, SQLModel, JSON, ARRAY


class Hero(SQLModel, table=True):
    id: Optional[int] = Field(default=None, primary_key=True)
    name: str
    secret_name: JSON
    age: Optional[int] = None

Description

Got following error: new_cls = super().__new__(cls, name, bases, dict_used, **config_kwargs) File "pydantic/main.py", line 299, in pydantic.main.ModelMetaclass.__new__ File "pydantic/fields.py", line 411, in pydantic.fields.ModelField.infer File "pydantic/fields.py", line 342, in pydantic.fields.ModelField.__init__ File "pydantic/fields.py", line 456, in pydantic.fields.ModelField.prepare File "pydantic/fields.py", line 670, in pydantic.fields.ModelField.populate_validators File "pydantic/validators.py", line 715, in find_validators RuntimeError: no validator found for <class 'sqlalchemy.sql.sqltypes.JSON'>, seearbitrary_types_allowed in Config

Operating System

macOS

Operating System Details

No response

SQLModel Version

0.0.4

Python Version

3.8.0

Additional Context

No response