v2: handle load from external data sources

Would it be possible to import from other datasources like csv or pandas dataframe in docarray v2?

Possible API:

class MyDoc(BaseDocument):
   price: float
   name: str
   date: Date

data.csv

price, name, date
1000, iphone, 2009
500, samsung, 2011
...

da = DocumentArray[MyDoc].from_csv('data.csv')

print(da[0])
>>> MyDoc(price=1000, name= iphone, date = 2011)

Question:

Can we auto detect the schema from the csv ? Is it something that we even want ?

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